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Question

A concentrated aqueous solution of sulphuric acid is 98% by mass and has a density of 1.80g mL. What is the volume of acid required to make one liter of 0.1M H2SO4 solution?


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 C

5.55 mL


Explanation of the correct answer:

The correct answer is option C:

From the given,

98%byweightH2SO4=98gH2SO4100gsolutionVolumeof100gsolution=massdensity=1001.8=55.55mL

For 0.1 M, 9.8 g of H2SO4 is needed.

55.55mLacid=98g5.55mlacid=9.8g=0.1Molaracid

Hence, option C is correct, i.e., 5.55 mL.


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