Предмет: Химия, автор: wako1

определите число молекул CaO,есле его масса 56 г

Ответы

Автор ответа: belyackovakate

0

M=40+16=56 г/моль
1) находим химическое количество:
n=m/M=56 г/ 56 г/моль=1 моль
N=n*Na=1*6,02*10^23=6,02*10^23

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