Ответ:
11
Объяснение:
pH = 14 - pOH; pOH = - log[OH-] = 2.1
pH = 14 - 2.1 = 11.9
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Ответ:
11
Объяснение:
pH = 14 - pOH; pOH = - log[OH-] = 2.1
pH = 14 - 2.1 = 11.9