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Chapter 3: Q65 E (page 172)

A 2.00-L bottle of a solution of concentrated HCl was purchased for the general chemistry laboratory. The solution contained 868.8 g of HCl. What is the molarity of the solution?

Short Answer

Expert verified

The molarity of the purchased HCl solution is 11.9 M.

Step by step solution

01

Given data

Molarity = number of moles/liters of solution

Given

Mass HCl =868.8g

Solution volume =2.00L

1 mol H=1.008g

1 mol Cl= 35.453g

02

Determine the molarity

Calculation

Molar mass HCl = 1.008+35.453=36.461g\(mo{l^{ - 1}}\).

Molarity = number of moles / liter of solution

Substitute the values in the formula above.

\(\frac{{868.8g\left( {\frac{{1molHCl}}{{36.461g}}} \right)}}{{2.00L}} = 11.9MHCl\)

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