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Question

The molarity of the solution obtained by mixing 750 mL of H2O with 250 mL of 2 M HCl will be:

A
0.50 M
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B
0.75 M
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C
1.50 M
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D
0.95 M
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Solution

The correct option is A 0.50 M
Applying concept of mixing,
M1V1=M2V2
where V2 is the final volume.
(2×250)=(M×1000)
Molarity of mixture = 0.50 M

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