Предмет: Химия, автор: MUSSEKENOV

Найти объём кислорода, необходимого для горения медной пластинки массой 6,4г

Ответы

Автор ответа: naugros

0

уравнение:
6.4гр х л.
2Сu+O2=2CuO
2*64 22,4л

6,4 гр-------------------х л
128гр------------------22,4л
х=6,4*22,4/128=1,12 литра кислорода

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