brebre1289 brebre1289

25-05-2017
Chemistry

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What is the pH of a solution containing a 1.00 x 10−4 M solution of HCl?
A. 1
B. 4
C. 1 x 10^4
D. 1 x 10^4

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dec77cat dec77cat

02-06-2017

HCl = H⁺ + Cl⁻

c(HCl)=1.00*10⁻⁴ mol/l

[H⁺]=c(HCl)=1.00*10⁻⁴ mol/l

pH=-lg[H⁺]

pH=-lg(1.00*10⁻⁴)=4

pH=4

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