Post-UTME Chemistry 2013 Objective — Question 6

Question 6 of 22 from the Post-UTME Screening (Post-UTME) Chemistry 2013 Objective paper, with the correct answer and a full explanation.

How many moles of H+ are there in 1dm^3 of 0.5M solution of H2SO4?

A. 2.0 moles
B. 1.0 molesCorrect
C. 0.5 mole
D. 0.25 moles

Explanation

H2SO4 is diprotic (2 H+ per molecule). Moles H+ = 2 x 0.5M x 1dm3 = 1.0 mole. (No printed answer key for this session; answer worked out independently.)

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