   Chapter 15, Problem 61QAP ### 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

# 61. How much water must be added w 500. mL of 0.200 M HCI to produce a 0.150 M solution? (Assume that the volumes are additive.)

Interpretation Introduction

Interpretation:

The amount of water that must be added to 500.mL of 0.200M

HCl to produce a 0.150M solution is to be calculated.

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=NumberofmolesofsoluteVolumeofsolution.

Explanation

It is given that a 0.150M solution is prepared from 500.mL of 0.200M

HCl.

Hence, the value of M1, M2 and volume of the HCl solution is given to be 0.200M, 0.150M and 500.mL respectively.

The total volume of the solution required to produce a 0.150M solution is calculated by the formula,

Totalvolumeofthesolution=M1×GivenvolumeM2

Substitute the value of M1, M2 and given volume of the HCl solution in the above expression.

Totalvolumeofthesolution=0

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