Предмет: Химия, автор: kartoka685

Обчисліть масову частку Фосфору (у відсотках) в його сполуці з Хлором , в якому Фосфор виявляє ступінь окиснення +3 .

Ответы

Автор ответа: Стас987

PCl3-хлорид фосфору
W(P)=Ar(P)\Mr(PCI3)*100%
Mr(PCI3)=31+3*35.5+137.5
W(P)=(31\137.5)*100%=22.5%

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