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Calculate the PH of a Solution That Is 0 HNO2\mathrm { HNO } _ { 2 }

Question 42

Multiple Choice

Calculate the pH of a solution that is 0.240 mol L-1 in nitrous acid ( HNO2\mathrm { HNO } _ { 2 } ) and 0.320 mol L-1 in potassium nitrite ( KNO2\mathrm { KNO } _ { 2 } ) .The acid dissociation constant of nitrous acid is 4.50 × 10−410 ^ { - 4 } .


A) 12.885
B) 4.461
C) 3.222
D) 10.528
E) 3.472

Correct Answer:

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