Предмет: Химия, автор: Аноним

Рассчитайте , какое число молекул содержат указанные порции в-в :
3,2 кг SO2 
 Ответ :3,01 *10 в 25 степени 
Мне нужно решение через дано

Ответы

Автор ответа: borz26
0
1 моль SO2 имеет массу 32+2*16=64 г
 х моль SO2 имеют  массу 3200 г
Х=1*3200/64= 50 моль
в 1 моле любого вещества содержится 6,02*10^23 молекул
в 50 молях содержится  У молекул
 У=50*6,02*10^23/1=301*10^23=3.01*10^25 молекул

Автор ответа: Аноним
0
реши пожалуйста эту задачу , если не трудно .Рассчитайте массу (г) указанной порции в-ва : 3,24 л (н.у) He
ответ должен быть таким: 0,579г
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