How would you correctly prepare 125.00 ml of a 0.300M solution of glucose from a 2.00M stock solution? Add 41.7 ml of distilled water to 83.3 ml of 2.00M stock solution and stir. Add 6.76 g of glucose to 125.00 ml of water and stir. Add 75.0 ml of distilled water to 50.0 ml of 2.00M stock solution and stir. Add 106.2 ml of distilled water to 18.8 ml of 2.00M stock solution and stir.

Q: A substance has a solubility of 12.5 g per 100 mL of solvent at 100°C and 2.45 g per 100 mL solvent…

A: Given, At 100°C Solubility of of substance is 12.5 g per 100 mL of solvent At 10°C Solubility of of…

Q: What mass of salt (NaCl) in grams (g) is required to prepare 2.013 L of D51/4NS solution? Give your…

A: Given the volume of D51/4NS solution = 2.013 L.  D51/4NS solution has 0.225% saline (NaCl) and 5.0%…

Q: A 112-mg sample of Na2CO3 is dissolved in H2O to give 2.55 L of solution. What is the concentration…

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Q: How many grams of sucrose would you add to water to make a total of 1.5 L of 8% solution

A:

Q: A water solution contains 8% by weight and has a density of 1.03 g/mL. How many grams of the solute…

A: * density=massvolumegiven,density of solution=1.03g/mlvolume of solution =400mlsolute contain 8%…

Q: What volume of a 0.540 M NaOH solution contains 12.5 g of NaOH?

A: Molarity is defined as the number of moles of solute dissolved per liter of the solution. Molarity,…

Q: If the caffeine concentration in a particular brand of soda is 3.07 mg/oz, drinking how many cans of…

A: The concentration of caffeine in soda is 3.07 mg per oz. Calculate the mass of caffeine in 12 oz.

Q: A group of students were weighing some CaCl2(s) but they forgot to record the mass.  They know that…

A: Given  Volume of solvent ( water ) = 50 ml Density of water = 1 g/ml Freezing point of pure solvent…

Q: A 2.700x10-2 M solution of glycerol (C3H§O3) in water is at 20.0° C. The sample was created by…

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Q: What volume of 12M HCl is required to make 650 mL of a 0.5 M solution?

A: Given :- initial concentration = 12 M                Final concentration (M2) = 0.5 M…

Q: What is the mass percent of the methanol?

A: We have to find mass percent of the methanol

Q: If KNO3 has a solubility of 31.6 g in 100. g of H2O at 20 ∘C, how many grams of water are needed to…

A: The maximum mass of solute that can be dissolved in the given amount of the solvent is known as…

Q: 6.0 M HCl solution must be diluted to 0.50 M. If the diluted solution has a total volume of 300.0…

A: Assuming V mL of the concentrated HCl is needed Since the process is dilution  hence the moles of…

Q: A 30% solution of ethanol in H₂0 at 20oC has a density of 0.95 g/ml. What weight ethanol is…

A:

Q: How would you prepare 500 mL of a 0.45% sodium chloride solution using 2.25 g sodium chloride…

A: Solution: Since, in the problem statement, mass of solute and volume of solution is mentioned, so we…

Q: What is the concentration of a solution (ppm) where 3.76 g of solute (88.1 g/mol) is dissolved in…

A: ppm - It is the number of grams of solutes present in one million gram total mass of Solution. It is…

Q: of 3 M MgO? A Put 3 grams of MgO in the beaker and add exactly 1 L of water. B Put 3 grams of MgO…

A: Molarity is defined as number of solute present in 1000 ml of solution . Mole=…

Q: A 2.800x10-2 M solution of glycerol (C3 H8 O3) in water is at 20.0° C. The sample was created by…

A:

Q: a) 25.0 ml of 0.80M KCI + 35.0 ml of 0.40M KOH b) 20.0 ml of .20M HCI + 30.0 ml of 0.10M NaOH c)…

A:

Q: A solution is made using 200.0 mL of methanol (density 0.7920 g/mL) and 1005.1 mL of water (density…

A: Given :  Volume of methanol = 200.0 mL  Density of methanol = 0.7920 g/mL Volume of water = 1005.1…

Q: compound Z solution disp 60 ml make a solution such that 1 tbsp diluted to a pint with water equals…

A: Given that 1 tbsp of compound Z is diluted to a pint with water equals a 1:1000 solution So, amount…

Q: A soft drink contains 11.5%% sucrose (C12H22O11C12H22O11) by mass. How much sucrose, in grams, is…

A: Given, A soft drink contains 11.5% sucrose (C12H22O11) by mass. The mass of sucrose, in grams, is…

Q: The label for oxacillin 2 g vial states that 11.5 mL of Sterile Water for Injection is needed to…

A: Concentration in mg/mL means 1 mg of solute is present in 1 mL of solution. For a solution of same…

Q: The volume dispensed from the buret amounts to 32 33 32.25 ml O 33.75 mL O 33.70 ml O 32.20 mL

A: Given,

Q: *A powdered drug is available in vials containing 35 mg of the drug. The reconstitution instructions…

A: Dear student Please check question 1 again. I believe there is some typing error in the last line .…

Q: Saline solution contains 0.92% (w/v) NaCl in water. How many grams of NaCl are contained in 533 mL…

A: Given, Percentage of NaCl solution = 0.92%  Volume of the solution = 533 mL mass of NaCl = ?

Q: what volume of concentrated HCl solution contains 125 g of HCl given the information: 37.2%…

A: From given mass % it is clear that in 100mL of solution, 37.2 g of HCl is present.

Q: Instructions: solve as neatly as possible and show complete solution.  all values must include…

A:

Q: How many milliliters of stock tea is required to prepare a 1% tea solution using a 50 mL volumetric…

A: Given, Percent of tea solution = 1 % Volume of the flask = volume of the solution = 50 mL Volume (in…

Q: How many grams of solution will contain 30.5 g of NaCl if the solution has a concentration of 8.3 %…

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Q: 240 220 200 NaCIO3 180 4KNO3 160 140 KBr 120 100 NaCI 20 40 100 120 Temperature (°C) Solubility…

A: Solubility is defined as the amount of a substance dissolved per 100 g of a solvent at a particular…

Q: Calculate the density of 50.0 g of an isopropyl alcohol–water mixture (commercial rubbing alcohol)…

A: Density is the measurement of mass per unit volume. To calculate the density, the amount of mass of…

Q: A doctor orders 250. mL of a 13% (m/v) glucose solution. If you have a 55% (m/v) glucose solution,…

A: For the given question, use the dilution law to calculate the volume required for 55%(m/v) solution.

Q: How to prepare 250 ml of 98% H2So4 solution with a density of 1.98 g / ml? (H2So4: 98 g / mol

A: Volume of solution is 250 mL Density of solution is 1.98 g/mL Thus we calcuate mass of solution from…

Q: A chemist dissolves 407. mg of pure barium hydroxide in enough water to make up 50. mL of solutio…

A: Mass of Ba(OH)2 = 407 mg Molar mass of Ba(OH)2 = 171 g/mol Moles = mass/MM   = 407/171 = 2.38 mmol…

Q: 2) For 30 kg of seeds contains 27% oil, the amount of solution is (a) 0 kg (b) 27 kg (c) 8.1 kg

A: General chemistry.

Q: A student must prepare 7.00 L of 0.100 M Na2CO3 (106 g/mol). Which is the best procedure for…

A: Given that: 7 L of 0.1 M Na2CO3.  Now, 7 L of 0.1 M Na2CO3 =  7 L x 0.1 mol/L…

Q: A solution is prepared by dissolving 12.5 g of KBr in 20 mL of water at 60 °C(see Figure 9.3). Is…

A: Solubility of any substance means the mixing of one component into the other component. If the…

Q: What is the mass percent of the methanol?

A: w/w % = (mass of solute / mass of solution) × 100%

Q: A very young child is prescribed 2.0 ml of an analgesic suspension three times a day for 4/7. How…

A: 1.  The volume of suspension should be dispensed by pharmacist = 2 mL x 3 x 4…

Q: Calculate the volume in liters of a  ×9.9010−5 M copper(II) fluoride solution that contains…

A:

Q: 1. A student prepares a 600.0 mL of 500.0 ppm of glucose solution. What volume of this solution (in…

A: Given,  Volume of the solution = 600.0 mL  Concentration of glucose solution in ppm = 500.0 ppm…

Q: In a laboratory, A student needs to prepare a 10% (m/v) KCl solution with a volume of 0.25 L. How…

A:

Q: To prepare 0.20 M NaOH (40.0 g/mol) you will need to dilute 34 g of NaOH to ____ mL. a.2.6 mL b.4.2…

A: In this question, we want to determine the volume of the water in mL unit to prepare 0.20M NaOH by…

Q: A student wants to make a 250 mL stock solution with a concentration of 1000 mg Cu/L. The student…

A: Concentration of a solution is defined as amount of solute present per unit volume of solution.…

Q: Calculate the quantity of sodium floride in grams that are needed to prepare 3 L of a stock solution…

A: Given:Final solution= 25cL of stock solution diluted to 7.5L i.e. 0.25 L stock solution diluted to…

Q: What is the concentration, in ppm, if 0.008080 grams of CaCl2 is dissolved in water to a total…

A: As 1 ppm = 1mg/L Hence, we have to find the concentration in units of mg/L

Q: Your 50 mL beaker has a mass of 5.85 g. You add 10.00 mL to the 50 mL beaker and now the total mass…

A:

Q: A solution is made using 450.0 mL of isopropanol (density 0.7860 g/mL) and 845.5 mL of water…

A: Mass of isopropanol = density × volume = 0.7860 g/ml × 450.0 ml = 353.7 g Mass of water  = density ×…