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Analytical Chemistry Calculations Relationships

Calculation of pH, calculation of pOH, relationship between pH , pOh and pKw

© BrainMass Inc. brainmass.com July 20, 2018, 12:38 pm ad1c9bdddf

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7. (a) 0.05 M NaOH
NaOH(aq) = Na+ (aq) + OH- (aq)
t = 0 0.05 M 0 0
t = t 0 0.05 M 0.05M
[OH-] = 0.05 M
pOH = -log[OH-]
pOH = -log(0.05)
= - log(5 x10-2)
= 2-log5
= 1.30
pkw = pOH + pH
pKw =14
pH = pKw - pOH
= 14 - 1.30
= 10.70

(b) 0.14 M ...

Solution Summary

Analytical chemistry calculation relationships are discussed. The relationship between pH, pOH and pKw are determined.

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