How much solid sodium chloride do you need to make 300.0 mL of a 150. mM NaCl solution in water?

Q: hat volume of a 2.50 M HCl solution should you use to prepare 2.00 L of a 0.100 M HCl solution?…

A: Molarity can be determined using the formula : Molarity = Moles of Solute/Volume of Solution(in L)…

Q: A table salt solution with Density of 1.0513 g/L. Calculate the ff. A. Salinity (as g/Kg NaCl) B.…

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Q: Normal saline solution (the kind you receive intravenously for medical purposes) is made by…

A: Molarity is defined as the number of moles of solute present in 1 liter of solution.  Mathematically…

Q: Calculate the mass percent (m/m) of a solution prepared by dissolving 41.98 g of NaCl in 151.7 g of…

A: Q.1:  Given mass of solute, NaCl = 41.98 g  mass of solvent, H2O = 151.7 g  => Mass of solution =…

Q: The safe dosage of the IV antibiotic ceftriaxone for children weighing more than 2.0 kg is 60. mg…

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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: he concentration of PSA (prostate-specific antigen) in the blood is sometimes used as a screening…

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Q: Suppose the fluid in the stomach of a woman suffering from indigestion can be considered to be…

A: Here is the answer

Q: A sulfuric acid (H2SO4) solution with a concentration of 6.00 M has a density of 1.34 g/mL. What is…

A: Mass percent of solute in a solution represents its concentration in the given solution, which…

Q: Consider the following: you mix 9.90 mL of CHC13 (d = 1.492 g/mL) and 5.20 mL of CHBr3 (d = 2.890…

A: total volume = 9.90 + 5.20= 15.10 mL mass of CHCl3 = 1.492 x 9.90 = 14.77 g mass of CHBr3 = 2.890 x…

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

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Q: 2. Each part per million (ppm) concentration of CO2 in the atmosphere is the equivalent to a global…

A: 2) According to the question, 1 ppm of CO2 in the atmosphere = 2.13 billion metric tons. Change in…

Q: Calculate how much 1500 µg/dL stock solution is needed to make 50.00 mL a 300 ug/dL solution.…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: If a student wants to make 235.0 mL of a 3.25M stock solution of CuCl 2, how many grams of solid,…

A: Given : Volume of stock solution = 235 ml Molarity of stock solution = 3.25M

Q: A solution contains 500 mg of potassium acetate, 500 mg of potassium bicarbonate and 500 mg of…

A: The volume of the teaspoon is 2.5 ml  Thus 2.5 ml of solution contains 500 mg of potassium acetate,…

Q: If the caffeine concentration in a particular brand of soda is 2.91 mg/oz,2.91 mg/oz, drinking how…

A: The caffeine concentration in the soda is 2.91 mg/oz. A single can has 12 oz.The amount of caffeine…

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: 7. Calculate the volume of pure isopropanol in the 50 mL you measured, using the %. Recall that a %…

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Q: If you start with 4.00M HCl how can you make up 200 ml of 0.200M HCl? a) 40ml 0f HCl and 40 ml water…

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Q: What volume of water (in mL) is needed to prepare a 1.67 M solution using 12.6 mL of 6.04 HCl…

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Q: 80°C is 20.8 grams, and the maximum amount of potassium nitrate that can be dissolved in 10 mL of…

A: Amount of KNO3 dissolved in 10 ml of water at 60oC = 11.0 g Amount of KNO3 dissolved in 1 ml of…

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 chemist must prepare 300.mL of 2.00M aqueous silver perchlorate AgClO4 working solution. He'll…

A: Dilution equation:                                                  M1V1 = M2V2 where, M1 = Initial…

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: When 2.00 grams of KMNO4 (MW = 158.0 g/mol) is dissolved into 100.0 mL of solution, what normality…

A: Given,  a). Mass of KMnO4 = 2.00 g Molar mass of KMnO4 = 158.0 g/mole  Volume in mL = 100.0 mL  What…

Q: How many milliliters of a solution that is 11.21% (w/w) HNO3 with a density of 1.2000 g/mL should be…

A: In the given question, the mass percentage of the solution, the density of the solution is given.…

Q: What is the boiling point of 0.0585 m aqueous

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Q: a concentrated form that is 37.0% hydrochloric acid by mass and has a density of 1.20g/mL. How can…

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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: Students uses 275.7 grams of potassium nitrate, KNO3, to make a 2.5 M solution. What is the final…

A: Mass of potassium nitrate = 275.7g  Molarity of potassium nitrate = 2.5 M

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 chemist must dilute  16.6mL  of  2.03M  aqueous zinc nitrate  ZnNO32  solution until the…

A: Given data contains, Initial volume is 16.6 mL. Initial molarity is 2.03 M. Final volume is x. Final…

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: If 53.0 g of KClO3 was transferred into 125.0 g of water at 30.0 celcius. how many grams of KClO3…

A: NOTE : In question, the solubility of KClO3 is not given with proper units. The solubility of KClO3…

Q: Which of the following glassware is best used for slow dispensing of 47.00 mL of a solution?

A: Volumetric pipette are the most accurate apparatus for dispensing a liquid. Because here the error…

Q: What is the meaning of a 25 % (m/m) NaCl solution (Table 8.11) A) 25 mL of NaCl in 100 mL of NaCl…

A: Given : % (m/m) of NaCl = 25 %.

Q: 2.5740 grams of 97% Copper sulfate pentahydrate dissolved in water up to 1-L volume. A. Parts per…

A: Solution - According to the question - Given - w/w % = ( mass solute / mass solution ) x 100 putting…

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

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Q: A chemistry student needs 35.00 g of butanoic acid for an experiment. He has available 1.5 kg of a…

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Q: 134.1 mg of NaCl (MM=58.44 g) is dissolved in 102.17 L of water. What is the concentration of Na+…

A: The mass of NaCl in the solution is = 134.1 mg The volume of the solution is = 102.17 L The…

Q: A chemistry student needs 30.00 g of thiophene for an experiment. He has available 0.20 kg of a…

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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: If a total of 125 mL of a 10% solution is diluted to 500 mL in a 500-mL volumetric flask, what is…

A: 1.) As the initial 10% solution is diluted , so we would use dilution law to calculate concentration…

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…

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Q: . A patient (60 kg) being treated by a paramedic needs to be intubated, following sedation with…

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Q: The molecular weight of sucrose is 342 g mol-1. How many grams would you need to weigh out, to…

A: •GIVEN=Molecular weight of sucrose=342 gm/mol •Molarity=0.8 M •Volume=20 ml=0.02 Litre •*Firstly we…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.