Answer to Question #251423 in General Chemistry for Mikel

Question #251423

Calculate the initial molar concentration of HF solution with a pH of 2.21.
(Kb = 1.5 x 10Ã ¢ 11)

Expert's answer

2.21= 14-Log(1.5× 10)X

2.21= 14-1.6(X)

1.6X = 14-2.21

1.6X= 11.79

= 7.37mol/L

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