PH, POH, and Concentration Formulas pH and pOH Formulas
Concentration Formulas
pH = -log[H30
[H30*) = 10-PH
pOH = -log[OH]
(OH) = 10-POH
pH + pOH = 14.00
[H30*JOH-] = 1.0 * 10-14
1
Select the correct answer.
A solution has a pH of 4.20. Using the relationship between pH and pOH, what is the concentration of OH?
OA 9.9x10M
OB 6.2 * 10M
OC 6.3 * 105M
OD 6.7 * 10M
OE 1.6 * 100M

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