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Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

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Section
BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 12, Problem 12.6YT
Textbook Problem
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A 75-g sample of tap water is found to contain 8.1 × 10 5 g of sodium fluoride. What is the concentration of sodium fluoride in parts per million?

Interpretation Introduction

Interpretation:

The concentration of sodium fluoride in parts per million is to be calculated.

Concept Introduction:

Concentration of a solution can be calculated in parts per million with the help of the masses of solute and solution.

Concentration of a solution in parts per million is expressed as follows:

ppm=Grams soluteGrams solution×106

Explanation of Solution

Given information: Mass of tap water is 75 g, and mass of sodium fluoride is 8.1×105 g.

The concentration of the sodium fluoride in ppm is calculated as follows:

ppmNaF=grams NaFgrams tap water×106

Substitute 75 g for grams tap water and 8

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Chapter 12 Solutions

Chemistry In Focus
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