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What is the pH of 10−3 M ammonia cyanide solution, if KHCN = 7.2 × 10−11 and K_(NH_3 )= 1.8 × 10−5 mol L−1 (A) 14 (B) 9.7 (C) 12.0 (D) 7.5

What is the pH of 10−3 M ammonia cyanide solution, if KHCN = 7.2 × 10−11 and K_(NH_3 )= 1.8 × 10−5 mol L−1
    (A)    14
    (B)    9.7
    (C)    12.0
    (D)    7.5

Grade:upto college level

1 Answers

Amit Saxena
35 Points
7 years ago

[H+] for the salt of weak acid and weak base is given by the expression

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