 # Although somewhat toxic, barium chloride has been used as a cardiac stimulant. Calculate the number of moles of barium chloride in 427 g of a 3.25% by mass barium chloride solution? ### General Chemistry - Standalone boo...

11th Edition
Steven D. Gammon + 7 others
Publisher: Cengage Learning
ISBN: 9781305580343 ### General Chemistry - Standalone boo...

11th Edition
Steven D. Gammon + 7 others
Publisher: Cengage Learning
ISBN: 9781305580343

#### Solutions

Chapter
Section
Chapter 12, Problem 12.126QP
Textbook Problem

## Although somewhat toxic, barium chloride has been used as a cardiac stimulant. Calculate the number of moles of barium chloride in 427 g of a 3.25% by mass barium chloride solution?

Expert Solution
Interpretation Introduction

Interpretation:

Number of moles of Barium chloride in 427 g of a solution containing 3.25% by mass Barium chloride has to be calculated.

Concept Introduction:

The term Mass percent expresses the concentration of a solution.  It is expressed as,

Mass percent of a solute = mass of solutemass of solution × 100%

### Explanation of Solution

Given that mass of solution is 427 g.  The solution contains 3.25% Barium chloride by mass. Calculate the mass of the solute Barium chloride as follows –

Mass percent  mass of BaCl2mass of solution × 100%mass of BaCl2 =  mass of solution × mass percent100 = 427 g×3

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