Explanation Molarity: The number of moles of solute per liter of solution is known as molarity of the solution. It symbolized by M . Molarity of any solution is a ratio of moles of solutes per liter of solution. It is expressed by the following formula: Molarity ( M ) = moles of solutes liter of solution Density: The density of a substance is equal to the ratio of its mass and volume. In general we can say the density of a substance is mass per unit volume. density ( g cm 3 ) = mass (g) volume (cm 3 ) or mass (g) volume (mL) Mass percentage: Mass percentage of solute = grams of solute grams of solution × 100 % When the solvent is added in a solution, than the volume of solution increases and the concentration decreases. This is process of dilution. The concentration and the volume of dilute and concentrated solution are given as follows: C 1 V 1 = C 2 V 2 Concentrated solution Dilute solution a. Given: 250 mL of 3 .0% (m/V) from 10 .0 % (m/V) HCl solution . Calculation: The concentration and the volume of dilute and concentrated solution are given as follows: C 1 V 1 = C 2 V 2 Concentrated solution Dilute solution Here C 1 is 10.0% , C 2 is 3.00 % , V 2 is 250 mL . Now calculate the initial volume in milliliters as follows: C 1 V 1 = C 2 V 2 V 1 = C 2 V 2 C 1 V 1 = 3 .0 % × 250 mL 10 .0 % = 75 mL b

Chemistry: An Introduction to General, Organic, and Biological Chemistry Plus Mastering Chemistry with Pearson eText -- Access Card Package (13th Edition)

13th Edition

ISBN: 9780134416793

Author: Karen C Timberlake

Publisher: PEARSON

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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 a…

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Chapter 9, Problem 9.109APP

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To determine: The initial volume of the solution which is needed to prepare given diluted solution

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Chapter 9, Problem 9.108APP

Chapter 9, Problem 9.110APP

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Chemistry: An Introduction to General, Organic, and Biological Chemistry Plus Mastering Chemistry with Pearson eText -- Access Card Package (13th Edition)

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