Chemistry (M.Phil./Ph.D.) 2015 Panjab University Entrance Exam With Answers

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4.

Which mixture of water and H2SO4 represent a solution with a concentration that is closest to 30% by mass H2SO4?

A: 30 g H2SO4+100 g H2O
B: 1 mol H2SO4+ 200 g H2O
C: 30mol H2SO4 + 0.70 Kg H2O
D: 0.30 mol H2SO4 + 0.70 mol H2O

The answer is: B

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