bradleymaynard21551 bradleymaynard21551

11-03-2018
Chemistry

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What is the ph of a solution whose hydroxide ion concentration, [oh−], is 4.3 × 10−4 m? mastering chemistry?

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zrh2sfo zrh2sfo

11-03-2018

The hydroxide ion concentration = 4.3 X 10^-4 M

so we will calculate pOH first

pOH = -log[OH-] = - log (4.3 X 10^-4) = 3.37

we know that

pH +pOH = 14

so pH = 14-3.37 = 10.63

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jullyan10602 jullyan10602

11-03-2018

Ph = 14 - POH = 14 - (- log 4.3 × 10 - 4)
Ph = 14 - 3.37 = 10.63

10.63 is the answer
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