Предмет: Химия, автор: nezhenka1

Помогите!
Какая масса бертолетовой соли было разложено если на эту реакцию было затрачено 182кдж теплоты.

Ответы

Автор ответа: mrvladimir2
0
х г                                   182 кДж
2KClO3 => 2KCl + O2 - 89.4 кДж
245 г
х:245=182:89,4
х= 499 г
Ответ: 499 г
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