Предмет: Химия, автор: Срочнохимию

Сколько молекул содержится в 24,8 г белого фосфора?

Ответы

Автор ответа: Киоми

0

молекула белого фосфора состоит из четырех атомов фосфора Р4, построенных в форме тетраэдра

Автор ответа: maks0312

0

кол-ва фосфора=0.2л:22.4л/моль=0.0089286моль

Mr(P4)=1.11:0.0089286=124г/моль

N(P4)=4Х6Х1023:0.0089286=0.2142864(атомов)

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