The molarity of H2SO4 solution, which has a density 1.84 g/cc at 35oC and contains 98% by weight is
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a
1.84 M
b
18.4 M
c
20.6 M
d
24.5 M
answer is B.
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Detailed Solution
98% by mass means 98 g H2SO4 is present in 100 g of acid. M= given mass ×1000 molecular mass ×V(cc)Given, mass = 98 g, molecular mass = 98 gV= mass density =1001.84 ∵ given density of H2SO4 is 1.84g/ccPutting the values,M=98×1000×1.8498×100=18.4M