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in NEET by (2.4k points)

Concentrated  aqueous  sulphuric acid is 98% H2so4   and has a density of 1.80gml-1 . Volume of acid required to make one litre of 0.1M H2so4 solution is 

A)16.65ml

B) 22.20ml

C)5.55ml

D) 11.10ml

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2 Answers

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by (78.5k points)

Correct option (c) 5.55ml

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by (10.9k points)
If the percentage of H2SO4 be w/w then

!00g acid solution will contain 98g H2SO4 or 1 mole H2SO4

Or 100/1.8ml solution contains 1mole H2SO4

=> 1000ml solution will contain 1.8/100x1000 mole = 18mole H2SO4.

So 0,1 mole H2SO4 will be obtained in 100/18 ml =5.55 ml solution

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