Q.

The molarity of H2SO4 solution, which has a density 1.84g/cc at 35°C and contains 98% by weight is

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a

1.84M

b

20.6M

c

24.5M

d

18.4M

answer is B.

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Detailed Solution

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Mass = 98% i.e 98 gms of H2SO4 is present in 100 g of solution 

Density = 1.84g/cc

Density = massvolume

Volume = 1001.84ml 

Number of moles of  H2SO4 =9898=1 mole
Molarity = moles ×1000volume of solution in ml

Molarity = 
1×1000×1.84100=18.4M

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The molarity of H2SO4 solution, which has a density 1.84g/cc at 35°C and contains 98% by weight is