In a neutral solution, the [H] is : O 1.0x10-14M zero 1.0×107M 1.0x10-7M
Q: Given .750L of a 12M HCI solution, what volume of 5.00M HCI could you make?
A: Dilution formula is N1V1 = N2V2. N1 = normality before dilution. V1 = volume of the solution before…
Q: Of a 10%6 SDS solution in H20. The combined final solution would be 0.5M NaC1 and 1% SDS. If you are…
A: Molality is never equal to molarity. But the difference becomes lesser as the solutions become more…
Q: 0.0050 M KOH PH VALUE
A: KOH stands for potassium hydroxide. It is an inorganic compound with the chemical formula of KOH.
Q: 8 7- 6- 2- 1 405 180 225 270 315 [Substrate] (nM) 45 90 135 360 450 495 540 58! What are the units…
A: Solution Michaelis menten kinetics is one of the best models of enzyme kinetics. Value of…
Q: You have a 62% dextrose solution. How many mL will give you 35 g of dextrose?
A: Carbohydrates are molecules that include carbon, hydrogen, and oxygen and have the formula (CH2O)n.…
Q: You are given a solution of 0.117 M NaOH solution. You need to neutralize 10.00 mL of the NaOH…
A: In order to calculate the molarity of potassium hydrogen phosphate, KHP, we either follow a direct…
Q: Which of the following statements is CORRECT regarding the following intermediate? H2N H NH2
A: "Since you have asked multiple questions, we will solve the first question for you. If you want a…
Q: The substance oxygen has the following properties: normal melting point: 54.8 K normal boiling…
A: There are three most common states of matter: solid, liquids, and gases. These states of matter can…
Q: Cao (s) (calcium oxide) is the main ingredient of concrete. While mixing Cao with water, the mixture…
A: Given that the CaO reaction with H2O gives out heat and forms Ca(OH)2 in the product. So the…
Q: Determine the pH for the following solutions. {H3O+}=2.4x10^-2 M
A: p in pH denotes negative of the logarithm(-log). So pH is negative logarithm of molarity of H pH…
Q: As a technician in a large pharmaceutical research firm, you need to produce 200. mL of 1.00 M…
A: Given Values: pH of the potassium phosphate buffer required = 6.96 pKa value of the potassium…
Q: Titration of a 12.0 mL solution of HCl requires 22.4 mL of 0.12 M NaOH. What is the molarity of the…
A: Molarity is considered as the moles of solute present in the solution.
Q: The doctor ordered Claforan 1400mg IM every 12 hours. The directions for the 2 gm vial state: Add…
A: The doctor ordered Claforan 1400mg IM every 12 hours. The directions for the 2 gm vial state: Add…
Q: What is the approximate pH of a solution labeled 6 x 10-5 M HBr? * 4.2 O 4.5 5.8 O 9.8 O 8.2
A: pH is the measure of the strength of H+ ion or Hydronium ions in solution. pOH is…
Q: Heliox is a helium‑oxygen mixture that may be used in scuba tanks for divers working at great…
A: Boyles law states that at a constant temperature, the pressure of a gas is inversely proportional to…
Q: The main constituents in vinegar are water and ethanoic acid (CH3COOH). In order to determine the…
A: You have asked question with parts. I will be answering the first three parts. a) You should take…
Q: A 500 mL sample of a 0.100 M formate buffer, pH 3.75, is treated with 5 mL of 1.00 M KOH. What is…
A: The buffer solution consists of an acid and a salt of the conjugate base of the acid in a solution.…
Q: How many milliliters of 0.125 M sulfuric acid are required to exactly neutralize 25.0 mL of 0.0850 M…
A: GIVEN: The Concentration of sulfuric acid= 0.125 M Volume of NH3 =25.0 mL The concentration of NH3 =…
Q: 75 g of impure sodium hydroxide is added to 250 cm3 of water. 10 cm3 of this impure solution is…
A: In order to find out the percentage purity of a compound, the molarity of the compound is…
Q: What mass of gallium oxide, Ga2O3, can be prepared from 29.0 g of gallium metal? The equation for…
A: A chemical reaction where there is loss of electrons or gain of oxygen and resulting in the increase…
Q: 75 mL of 0.300 mol/L sodium phosphate solution is combined with 67.5 mL of 0.350 mol/L calcium…
A: Sodium phosphate is an ionic compound and so exhibits an electrovalent chemical structure. The…
Q: Convert the following pH values in both [H+] and [OH-] values. (6 points) 1. pH = 3.95…
A: According to the definition of pH, pH = -log [H+]. According to the definition of pOH, pOH = -log…
Q: How much magnesium chloride hexahydrate (MW = 203.3 g/mol) is required to make a 500 mL solution ata…
A: MW = 203.3 g/mol Concentration = 10 mmol/L Volume = 500 ml solution = 500/100 L = 0.5 L
Q: Which of the following reagents will you include in the blank (negative control) for this…
A: A variable is any quantity we can measure. In any experiment there are three variables:…
Q: If 4.00 L of ethyl alcohol at 18.0 ⁰C is exposed to a temperature of 25.0 ⁰C, what is the resulting…
A: Initial temparature of ethyl alcohol is T₁ = 18° C = (273 +18) K = 291 K rising the temparatute to…
Q: How many mL of 0.254 M NaOH are needed to fully react with 37.50 mL of 0.358 M H2SO4?
A: Concentration of the NaOH = 0.254 M Conc. of H2SO4 solution = 0.358 M or conc. of [H+]=2×0.358 M…
Q: What coefficients must be placed in the following blanks sothat all atoms are accounted for in the…
A: As per the law of conservation of mass, mass can neither be created nor destroyed. This also applies…
Q: To prepare 500 mL of a 1X TAE buffer solution, we need to mix solution (so 25 times more…
A: TAE is a standard buffer for the preparation and operation of DNA agarose gels. TBE provides…
Q: 1M = 1 mole/L. To determine how many grams of a substance is equal to one mole the molecular mass is…
A: C₁ = the original concentration of stock solution V1= the volume of stock solution needed to make…
Q: Bacteria that have a composition of CSH702N. Determine the BOD for 30mg/L, following the following…
A: Microbes, which are tiny and nearly invisible, have had a huge influence on society since the…
Q: A 510 mL IV bag contains a 25% dextrose solution. How much of the original solution must be replaced…
A: During IV transfusion and medicine administration, the concentration of the drug in a solution must…
Q: What coefficients must be placed in the following blanks so that all atoms are accounted for in the…
A: When balancing chemical reaction the number of atoms of each element in left hand and right hand…
Q: Please help me find the structure based on this IR graph and a boiling point of 90-100°C. 84 80 70-…
A: Different types of spectroscopy can be used to identify the structure of the unknown compound. Some…
Q: Find the Gibbs free energy of mixing when 2 moles of ethanol is mixed with 5 moles of water at a…
A: Given; n1= no. of moles of ethanol= 2 mol n2= no. of moles of ethanol= 5 mol T=27oC =273+27=300K…
Q: A solution with a density of 0.876 g>mL contains 5.0 g of toluene 1C7H82 and 225 g of benzene.…
A: Molarity is defined as the moles of a solute per liters of a solution. It is also known as the molar…
Q: A KCC student titrated 100.00 mL of a NaOH solution using 55.00 mL of a 0.1000M H2SO4 solution. How…
A: The reaction of an acid with a base is called an acid-base reaction. It is also called a…
Q: A 35 mL of solution of hydrochloric acid is neutralized by 15 mL of 0.5 M potassium hydroxide. What…
A: Hydrochloric acid is the strongest base that will react with potassium hydroxide to produce water…
Q: The pH of a 1.25 x10-3 M NAOH solution is: O a 7 b 2.90 3.10 O d 11.10 O e 10.90
A: Given Values: The concentration of NaOH solution = 1.25×10-3 M
Q: Make a 100 ml of a 1M stock solution of NaCl (you will need the molecular weight of NaCl).
A: molecular weight of Back is 58.4 Molarity (M) is the amount of a substance in a certain volume of…
Q: BSA (mg/ml) Absorbancy 595nm 0.225 1 0.310 2 0.420 3 0.510 4 0.610 0.720 6 0.810 7 0.915 8 0.950…
A: The Bradford Assay is is a sensitive assay to detect and quantify protein in solution.
Q: The precipitation of three solid compounds: X, Y, Z, have the following equilibrium constants: Kx =…
A: X,Y,Z Kx= 1.7×10^4 Ky= 0.6× 10^8 Kz= 9.2×10^12 As it can be seen,Kz>Ky>Kx The solubility…
Q: The half-life of mercury-197 is 64.1 hours. If a patient undergoing a kidney scan is given 5.0 ng of…
A: The half life (t1/2) is defined as that period of time which is needed for one half of a given…
Q: A 523.1-mg sample of impure KBr is treated with excess AgNO3 and 814.5 mg AgBr (187.774 g/mol) is…
A: Reaction between KBr and AgNO3 given as: KBr + AgNO3 --> KNO3 + AgBr
Q: What volume of 0.10NH2 SO3 will be required to neutralize a solution containing 10.0grams of…
A: Given Values: Weight of Ca(OH)2 = 10 grams The molecular weight of Ca(OH)2= 74 Normality of H2SO4 =…
Q: The H⁺ concentration in an aqueous solution at 25 °C is 4.3 × 10⁻⁶. What is [OH⁻]?
A: Hydrogen ion concentration [H+] of a solution is expressed in terms of pH. pH is the negative log of…
Q: How many H2O particles were produced by creating the following structure? R H R R -N-Ç, H-N-C,- H H…
A: Extention of a polypeptide chain is a typical dehydration reaction where OH from carboxyl group and…
Q: 5. A 0.01 M solution of HCI will not hurt your skin, yet a 0.1 M solution of HCI will leave a…
A: Hydrochloric acid is a colorless and odorless solution of hydrogen chloride and water with a…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Tirofiban (C22H36N₂O5S MWt = 440.6) is present as tirofiban HCI monohydrate (C22H36N2O5S.HCI.H₂O MWt=495.1) at 0.281 mg/mL in a concentrated solution. A solution for infusion is prepared by extracting 50 mL from a 250 mL bag of 5% glucose solution and adding 50 mL of concentrated solution. Sofia who weighs weighs 87 kg requires a tirofiban dose of 0.1 mcg/kg/min for 12 to 24 hours. What would the infusion rate be (mL/h)? (Answer to 1 decimal place.) Answer:A 5% dextrose in 1/2 normal saline (D5 1/2 NS) solution is commonly administered to patients needing post-operative IV fluids. How could you prepare 500 mL of this solution? Dextrose is 5% (m/v) and the NaCl is 0.45% (m/v).You just made a 1.5M permanganate solution. What concentration is your potassium permanganate solution in percent? "K: 39.10 g/mole" "Mn: 54.94 g/mole" "O: 16 g/mole" "MW of KMnO4 is 158.04 g/mole" O a. 0.24% Ob. 20.1% O c. 15.8% O d. 23.7% O e. 2%
- You have been given a stock solution of dye that has a 10X concentration. You wish to make 750ul of a 1X dilution of this dye. Give the volume of 10X dye that you will use (in ul)Tirofiban (C22H36N2O5S MWt = 440.6) is present as tirofiban HCI monohydrate MWt=495.1) at 0.281 mg/mL in a concentrated solution. (C22H36N2O5S.HCI.H₂O A solution for infusion is prepared by extracting 50 mL from a 250 mL bag of 5% glucose solution and adding 50 mL of concentrated solution. Sofia who weighs weighs 87 kg requires a tirofiban dose of 0.1 mcg/kg/min for 12 to 24 hours. What would the infusion rate be (mL/h)? (Answer to 1 decimal place.)Quinine ( C20 H24 N2 O2) is the most important alkaloid derived from cinchona bark. It is used as an antimalarial drug. For quinine, pK, = 5.1 and pK, = 9.7 ( pKp = – log Kp). Only 1 g quinine will dissolve in 1920.0 mL of solution. Calculate the pH of a saturated aqueous solution of quinine. Consider only the reaction | Q+ H2O= QH+ + OH- described by pK, where Q = quinine. pH =
- Phosphate buffered saline (PBS) is a physiological buffer often used in biology experiments. Because the concentrations are very low and small amounts are difficult to weigh out, it is often prepared as a 10X stock solution meaning that it is prepared at 10 times the working concentration which is 1X. 1X PBS is made up of Na2HPO4 10 mM (MW 141.9 g.mol-1); KH2PO4 8 mM (MW 136.08 g.mol-1), NaCl 137 mM (MW 58.44 g.mol-1) and KCl 74.5 mM (MW 74.5 g.mol-1). You decide to prepare a 1 L 10X solution of PBS. What is the Molar (M) concentration of each of the components in you 10X stock. Write your answers in the table below. How much of each of the components should you weigh out to prepare 1L of the 10X stock solutions. Write your answers in the table below.The Ksp values of silver chromate Ag2CrO4 and silver iodate Ag(IO3) are given below. Ag2CrO4 Ag(IO3) Ksp 1.12 x 10-12 3.17 x 10-8 Based on these Ksp values, which of the following is true? Choose one option only. Options: a. In the solution consisting of 1.00 x10-4 M Ag+ and 5.00 x10-5 M CrO42-, Ag2CrO4 precipitate will form. b. In the solution consisting of 1.0 x10-4 M Ag+ and 1.0 x10-4 M IO3-, Ag(IO3) precipitate will form. c. In pure water, the solubility of Ag2CrO4 is lower than the solubility of Ag(IO3). d. In the solution consisting of 0.200 M CrO42- and 0.200 M IO3-, Ag2(CrO4) will precipitate first if we add Ag+ ions gradually into the above mixture.For in the solution part for c), do you mean 6.25%?
- Tirofiban (C22H36N₂O5S MWt = 440.6) is present as tirofiban HCI monohydrate MWt=495.1) at 0.281 mg/mL in a concentrated solution. (C22H36N2O5S.HCI.H₂O A solution for infusion is prepared by extracting 50 mL from a 250 mL bag of 5% glucose s and adding 50 mL of concentrated solution. Sonya who weighs weighs 60 kg requires a tirofiban dose of 0.4 mcg/kg/min for 30 minute- What volume would remain after 30 minutes? Answer: 94.53 mL X The correct answer is: 236 mLThe isoelectric point of eIF4a is 5.02. Students are given a sample of cell lysate containing eIF4A at pH 7.4. They are also provided with two buffers of pH 7.4 to use for ion exchange chromatography. One buffer has a very high salt concentration (1 M), the other has a low salt concentration (0.1 M). Mariela decides to use an anion exchange column, while Ashok chooses a cation exchange column. Who made the better decision? Provide a detailed explanation of why one student will end up with a purer sample of eIF4A. Which buffer will you use while washing away impurities (high or low salt), and which would you use to remove eIF4A from the column? Explain your choice.Four lab groups completed the experiment listed in the lab diluting lul of FCF dye into 1ml of water. The A625 values are listed below. For brilliant blue FCF, ɛ =97000 M-1cm–1 MW = 792.8 g/mol %3D Group # A625 % solution (in original stock sample) Percent ror (True value of Stock=0.2%) 1 0.244 0.199 0.5 0.209 0.170 15 3 0.306 0.250 25 4 0.187 0.153 0.235 a. Which group was more accurate? b. What are possible reasons group 3 had a much higher Absorbance than the others? c. What are possible reasons group 4 had a much lower Absorbance than the others?