1. 3
2. 1
3. 2
4. 2
5. 1
6. 1
7. 2
8. 2
9. 3
Объяснение:
8.2CH3COOH + CaO → (CH3COO)2Ca + H2O
9. 2CH3COOH + Mg → (CH3COO)2Mg + H2↑
V(H2) = 33,6 л
n(H2) = V:Vм = 33,6:22,4 = 1,5 моль
n(CH3COOH) = 2*n(H2) = 3 моль
m(CH3COOH) = n*M = 3*60 = 180 г
1. 3
2. 1
3. 2
4. 2
5. 1
6. 1
7. 2
8. 2
9. 3
Объяснение:
8.2CH3COOH + CaO → (CH3COO)2Ca + H2O
9. 2CH3COOH + Mg → (CH3COO)2Mg + H2↑
V(H2) = 33,6 л
n(H2) = V:Vм = 33,6:22,4 = 1,5 моль
n(CH3COOH) = 2*n(H2) = 3 моль
m(CH3COOH) = n*M = 3*60 = 180 г