What is the concentration of H ions in moles pe... - JAMB Chemistry 1990 Question
What is the concentration of H+ ions in moles per dm3 of a sodium of pH 4.398?
A
4.0 χ 10-5
B
0.4 χ 10-5
C
4.0 χ 10-3
D
0.4 χ 10-3
correct option: a
PH = -log (H+)
(H+) = 10-4.348 = 4.0 χ 10-5
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