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vugvgiigvgivuy
@vugvgiigvgivuy
June 2022
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Еще одна задачка по химии.
m (Al)= 5,42
Найти: m (Al2O3)
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tamerlan69
5.42г х г
4Al + 3O2= 2Al2O3
4 моль 2 моль
27г/моль 102 г/моль
108 г 204 г
х=5,42*204/108= 10,23 г
1 votes
Thanks 1
vugvgiigvgivuy
108 и 204 это молярная масса?
tamerlan69
да
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Answers & Comments
4Al + 3O2= 2Al2O3
4 моль 2 моль
27г/моль 102 г/моль
108 г 204 г
х=5,42*204/108= 10,23 г