78 Решение задачки по химии №07 819

4. A. Calculate the pH of a formic acid solution, 100 ml of which contains 0.15 g of HCOOH.
B. Calculate the pH of a 0.003 M thallium (I) hydroxide solution.
B. Calculate the pH of a 0.02 M potassium hydrosulfite solution and the hydrolysis constant of this salt.

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