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Please help thank you
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Please help thank you

Please help thank you-example-1
User Joebarbere
by
6.1k points

1 Answer

6 votes

Answer:

The answer is 3.3

Explanation:

∵ PH =
-log[H^(+)]

∵
H^(+) = 5.0 ×
10^(-4)

∴ PH =
-log[5(10^(-4))]=-log5+-log10^(-4)⇒logab = loga + logb


=-log5-log10^(-4)=-log5-(-4)log10⇒
loga^(n)=nloga


=-log5+4log10=-log5+4(1)⇒ log10 = 1


=-log5+4=3.3010 ≅ 3.3

∴ PH = 3.3

User Andrea Bergia
by
5.3k points
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