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Question

The volume of $${H}_{2}S{O}_{4}$$ acid ($$98\%$$ by mass, d= $$1.80$$ g/mL) required to prepare $$1$$ litre of $$0.1\ M$$ $${H}_{2}S{O}_{4}$$ solution is:


A
16.65 mL
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B
22.20 mL
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C
5.55 mL
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D
11.10 mL
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Solution

The correct option is D $$5.55$$ mL
Given,
$${M}_{{H}_{2}S{O}_{4}} =\dfrac{98\times 1.80}{98\times 100}\times 1000 =18.0$$

$${M}_{1}{V}_{1} ={M}_{2}{V}_{2}$$

$$18.0\times V_1 = 1\times 0.1$$

$$V_1=5.55\times {10}^{-3} L = 5.55$$ mL

Hence, volume required is $$5.55$$ mL.

Hence, the correct option is $$C$$

Chemistry

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