Molarity can someone help me 4 and 5 and don't forget to round all of your answers to two decimal places. ProblemsShow all of your work, do not forget units and round all of your answers to two decimal places.1. In 3.2L of solution, 0.80mol of sodium chloride is dissolved. Calculate the molarity.2. In 500mL of solution, 40.4g of KNO; is dissolved. Calculate the molarity.3. Calculate the number of moles of solute added to 5.3L of a 6.2M solution.4. You must prepare a 0.60L of 1.0M NaBr solution using 4.00M NaBr stock solution. How many litersof stock solution should you use?5. What is the concentration in percent by volume 378ML of methanol in a solution having a total volumeof 1570mL?

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Chemistry

Molarity can someone help me 4 and 5 and don't forget to round all of your answers to two decimal places

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter14: Mixtures And Solutions

Section14.2: Solution Concentration

Problem 23PP

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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

Molarity can someone help me 4 and 5 and don't forget to round all of your answers to two decimal places.

Problems
Show all of your work, do not forget units and round all of your answers to two decimal places.
1. In 3.2L of solution, 0.80mol of sodium chloride is dissolved. Calculate the molarity.
2. In 500mL of solution, 40.4g of KNO; is dissolved. Calculate the molarity.
3. Calculate the number of moles of solute added to 5.3L of a 6.2M solution.
4. You must prepare a 0.60L of 1.0M NaBr solution using 4.00M NaBr stock solution. How many liters
of stock solution should you use?
5. What is the concentration in percent by volume 378ML of methanol in a solution having a total volume
of 1570mL?

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