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Molarity

2 L of 2.5 M ...

Question

2 L of 2.5 M $H_{2} S O_{4}$ solution is diluted to 15 L. Calculate the molarity of the resulting solution.

A

1.25 M

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B

0.15 M

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C

0.78 M

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D

0.33 M

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Solution

The correct option is D 0.33 M
As per the concept of dilution,
$M_{1} V_{1} = M_{2} V_{2} \Rightarrow 2.5 \times 2 = M_{2} \times 15$
$M_{2} = 0.33$ M

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