Question
Asked Mar 25, 2020
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How many moles of NaCl are in 0.43 L of a 0.75 M NaCl solution?

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Expert Answer

Introduction

 

Mole concept is applied to find out the quantity of any compound in moles. The moles can be analyzed with the given solution's concentration and volume. A mole is defined by Avogadro number i.e.

Chemistry homework question answer, step 1, image 1

 

Given

The concentration of NaCl solution is 0.75 M.

The volume of NaCl solution is 0.43 L.

Calculation

The formula for the calculation of the number of moles is shown below.

Chemistry homework question answer, step 2, image 1

Substitute the known values in the formula.

Chemistry homework question answer, step 2, image 2

Thus the number of moles of NaCl is 0.3225 moles.

 

 

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