Question

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Answer 1

1)

a) oxiacid

b) 32,39% Na, 22,53% S, 45,07% O

2) 2HCl + ZnO => ZnCl2 + H2O

2HCl + CO2 => CCl4 + H2O (Nu se obtine o sare)

ZnO + CO2 => ZnCO3

3)

a) 2Al + 3Cl2 => 2AlCl3

b) 2Al + 3ZnCl2 => 2AlCl3 + 3Zn

c) Al2S3 + 6NaCl => 3Na2S + 2AlCl3