7:54LTE 4AAA d21.cna.nl.caChemistry 1031Assignment 21. Which of the following NaCl solutions has the highestconcentration of NaCl? Explain your answera. 0.0175 mol NaCl in 1 L of solutionb. 0.1 g NaCl in 100 mL of solutionc. 0.5 g NaCl in 500 mL of solutiond. 0.25 mol NaCl in 200 mL of solutione. All have the same concentration.2. How many grams of KNO3 are in a 125 g solution containing14.5% solute?3. Calculate the mass percent of 2.50 moles of NaOH in 0.900 L ofwater at 25 °C. (The density of water is 1.00 g/mL at 25 °C)4. Calculate the volume of 0.250 M solution made by dissolving5.56 g of solid magnesium chloride in water.5. How would you safely prepare 500. mL of 1.00 M H2SO4solution from a 12.4 M H2SO4 stock solution?6. Determine the molar concentrations of Ca²+ and Cl' in a 0.38 Mcalcium chloride solution.7. A sugar solution contains 19% sucrose by mass. What is the massof the solution if it contains 78.01 g sucrose?

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1. Which of the following NaCl solutions has the highest concentration of NaCl? Explain your answer a0.0175 mol NaCl in 1 L of solution b.0.1 g NaCl in 100 mL of solution c. 0.5 g NaCl in 500 mL of solution d. 0.25 mol NaCl in 200 mL of solution e. All have the same concentration.

1. Which of the following NaCl solutions has the highest concentration of NaCl? Explain your answer a0.0175 mol NaCl in 1 L of solution b.0.1 g NaCl in 100 mL of solution c. 0.5 g NaCl in 500 mL of solution d. 0.25 mol NaCl in 200 mL of solution e. All have the same concentration.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter4: Types Of Chemical Reactions And Solution Stoichiometry

Section: Chapter Questions

Problem 47E

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Concept explainers

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

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7:54
LTE 4
AA
A d21.cna.nl.ca
Chemistry 1031
Assignment 2
1. Which of the following NaCl solutions has the highest
concentration of NaCl? Explain your answer
a. 0.0175 mol NaCl in 1 L of solution
b. 0.1 g NaCl in 100 mL of solution
c. 0.5 g NaCl in 500 mL of solution
d. 0.25 mol NaCl in 200 mL of solution
e. All have the same concentration.
2. How many grams of KNO3 are in a 125 g solution containing
14.5% solute?
3. Calculate the mass percent of 2.50 moles of NaOH in 0.900 L of
water at 25 °C. (The density of water is 1.00 g/mL at 25 °C)
4. Calculate the volume of 0.250 M solution made by dissolving
5.56 g of solid magnesium chloride in water.
5. How would you safely prepare 500. mL of 1.00 M H2SO4
solution from a 12.4 M H2SO4 stock solution?
6. Determine the molar concentrations of Ca²+ and Cl' in a 0.38 M
calcium chloride solution.
7. A sugar solution contains 19% sucrose by mass. What is the mass
of the solution if it contains 78.01 g sucrose?

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