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Will Coppock
Questions (1)
Calculate the pH of an aqueous solution containing 1.3 * 10^-2 M HCl, 3.0 * 10^-2 M H2SO4, and 2.0 * 10^-2 M HCN.
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Answers (1)
This is a basic algebra problem. The 400 apples is irrelevant to the problem. J = John's time A = Andrew's time Here are the equations: J + A = 7 A - 2 = J 2A - 2 = 7 2A=9 A=4.50 hours, thus this is your answer. also J=2.50 hours.
