53. Решение задачи по химии №25

3. To determine the acidity of gastric juice, the EMF of a galvanic cell was measured:
Pt|H2|H in a solution of gastric juice|| H (1 mol*l- 1)|H2|Pt
It was equal to 0.081 V at 18 C. Determine the pH of gastric juice and the concentration of hydrogen ions.

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