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Concentration Terms

1 MHCl and 2 ...

Question

1 MHCl and 2 MHCl are mixed in volume ratio of 4:1. What is the final molarity of HCl solution.

A

1.5

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B

1

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C

1.2

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D

1.8

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Solution

The correct option is C 1.2
$[H C l] = \frac{1 \times 4 V + 2 \times V}{5 V} = 1.2 M$

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