67 Решение задачки по химии №06 713

5. The content of hydrochloric acid in human gastric juice is 0.4-0.5%.
Calculate the approximate pH value of gastric juice, taking its density as 1 g/ml.
Explain whether it is possible to use a bicarbonate buffer mixture to maintain such a pH value of gastric juice if KH2CO3=4.3*10-7.

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