Предмет: Химия, автор: polinalozenko

Вычислите массу хлорида калия которая образуется при взаимодействии гидроксида калия с 0,2 моль соляной кислоты. Help!!!!

Ответы

Автор ответа: AleshkaRB

4

$KOH + HCl = KCl + H_2O$
В формуле нет стехиометрических коэффициентов, поэтому хлорида калия образуется столько же, сколько было гидроксида калия - 0,2 моль. По таблице менделеева находим относительную массу KCl: 39+35,5=74,5 г/моль.
Масса KCl: 74,5 * 0,2 = 14,9 г.

polinalozenko: Спасибо огромное

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