September 2021 0 17 Report
Количество молекул, содержащихся в 4 г водорода Н2, (число Авогадро NА = 6,02∙1023 моль -1) равно: А) 12,04·1023;
Б) 4,816∙1024;
В) 1,204∙1027;
Г) 4,816∙1021.
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