Asked by Jordan

if equal volumes of solutions having pH6 and pH7 are mixed what is the resulting pH?

Answers

Answered by DrBob222
It isn't pH 6.5.
You must determine (H^+) from pH 6 and (H^+) from pH 7, average them, then determine pH from that new (H^+).
Answered by Jordan
great thanks a lot, soz bout double post
Answered by GK
Here are the initial steps of the solution DrBob suggested:

Let V = liters of solution.
moles of H+ with pH 6 is = 1.00x10^-6)(V)
The total moles of H+ in the mixture is:
moles H+ = (1.00x10^-6)(V)+(1.00x10^-7)(V)
[H+] = (moles H+)/V
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