   Chapter 15, Problem 54QAP ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

#### Solutions

Chapter
Section ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
11 views

# 54. When the volume of a given solution is tripled (by adding water), the new concentration of solute is _________ the origin al concentration.

Interpretation Introduction

Interpretation:

The term corresponding to the given blank is to be stated.

When the volume of a given solution is tripled (by adding water), the new concentration of solute is _____ the original concentration.

Concept Introduction:

The atomic mass of an element is defined as the sum of number of protons and number of neutrons. Molar mass of an element is determined from atomic mass of an element.

The moles of any element is calculated by the formula,

Moles=MassgMolarmass

Molarity is used to find out the concentration of solution.

The molarity is calculated by the formula,

Molarity=NumberofmolesofsoluteVolumeofsolutionL.

Explanation

The solute particles are present in an excess amount in concentrated solution, whereas they are present in fewer amounts in dilute solution. In other words, the amount of solvent in less in concentrated solutions as compared to diluted solutions.

During the dilution, the amount of the solute particles in initial and final solution remains the same, only the amount of solvent get changed. The solution required more solvent to get diluted.

The volume of the given solution after dilution is given to be tripled of initial volume. Thus, the value of V1V2 is 13.

The relationship between molarity and volume is shown below.

M1V1=M2V2

Where,

• M1 is the molarity of solution before dilution.
• V1 is the volume of solution before dilution.
• M2 is the molarity of solution after dilution

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