Предмет: Химия, автор: Ember00

В какой массе кухонной соли содержится натрий массой 4,6 кг?

Ответы

Автор ответа: vaco1taps
0
Дано: m(Na)=4.6кг=4600г
----------------------------------
m(NaCL)-?

Решение:

2Na+CL2=2NaCl
n(Na)=m/Mr=4600г/23г/моль=200моль

по уравнению реакции:
n(NaCL)=n(Na)=200моль

m(NaCl)=n x Mr= 200моль х 58.5г/моль=11700 г


Ответ: m(NaCl)=11700 г
Если помог нажми кнопку Спасибо))

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