55. (в4-128-25) В процессе хлорирования
воды Гцелью очистки для удаления
лишнего хлора обычно...
Chemistry, 12.02.2021 21:30 charles8527
55. (в4-128-25) В процессе хлорирования
воды Гцелью очистки для удаления
лишнего хлора обычно используется
сульфит натрия. Составив уравнение
реакции, вычислите, сколько граммов
Na2SO3-7Н2О требуется для 0,3 г хлора.
А) 0,71 В) 1,06 C) 1,26 D) 3,55
E) 2,52
Answers: 3
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