Post-UTME Biology 2011 Objective — Question 13

Question 13 of 24 from the Post-UTME Screening (Post-UTME) Biology 2011 Objective paper, with the correct answer and a full explanation.

How many moles of (H+) are there in 1dm3 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. Moles H+ = 2 x 0.5 x 1 = 1.0 mole. (Note: this question is a near-duplicate of one found in the FUTO 2013/2014 Type D session in this same PDF set; the same independently-worked answer is used here.)

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