Chemical Engineering - Chemical Engineering Basics - Discussion

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 )

[A]. 4.4
[B]. 5.6
[C]. 8.4
[D]. 2.4

Answer: Option A

Explanation:

No answer description available for this question.

Rashi said: (Jan 18, 2014)  
pH = -Log conc[H+] = - log[4*10^-5] = -[log4+log10^-5] = 0.6+(-5log10) = -(0.6-5)=4.4.

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