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Question

Molarity of the liquid HCl if the density of the solution is 1.17 g/cc is:

A
36.5
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B
18.25
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C
32.05
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D
42.10
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Solution

The correct option is C 32.05
Molarity=density×1000moles/litremolarmass

Molar mass of HCl = 1+35.5
=36.5g/mol

Molarity = 1.17×100036.5
=32.05

The correct option is C.

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