Make up the reaction equations: a) Mg → MgO → Mg (OH) 2 → MgSO4 b) SiO2 → NaSiO3 → H2SiO3
| January 30, 2021 | education
a) Mg → MgO → Mg (OH) 2 → MgSO4
1) 2Mg + O2 = 2MgO (compound reaction)
2) MgO + H2O = Mg (OH) 2 (compound reaction)
3) Mg (OH) 2 + H2SO4 = MgSO4 + 2H2O (exchange reaction)
b) SiO2 → NaSiO3 → H2SiO3
1) Na2O + SiO2 = Na2SiO3 (compound reaction)
2) Na2SiO3 + 2HCl = H2SiO3 + 2NaCl (exchange reaction)
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