Chemical Engineering - Chemical Engineering Basics - Discussion

Discussion Forum : Chemical Engineering Basics - Section 6 (Q.No. 47)
47.
The concentration of (H+) ions is 4 x 10-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6 )
4.4
5.6
8.4
2.4
Answer: Option
Explanation:
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Discussion:
1 comments Page 1 of 1.

Rashi said:   1 decade ago
pH = -Log conc[H+] = - log[4*10^-5] = -[log4+log10^-5] = 0.6+(-5log10) = -(0.6-5)=4.4.
(1)

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