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1. Calculate the pKa of a nitrous acid solution whose Ka = 4.5 x 10 -4 . 2. A drink has a pH = 3.1.

1. Calculate the pKa of a nitrous acid solution whose Ka = 4.5 x 10^-4.

2. A drink has a pH = 3.1. What is the [H⁺]?

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