Write the reaction equation: Ca-CaO-Ca (OH) 2-CaSO4-BaSO4
| September 1, 2021 | education
1. Oxidation of metallic calcium.
2Ca + O2 = 2CaO.
2. Reaction of “slaking” lime.
CaO + H2O = Ca (OH) 2.
3. Reaction of calcium hydroxide with sulfuric acid.
Ca (OH) 2 + H2SO4 = CaSO4 + 2H2O.
4. The reaction of exchange of barium salt with calcium sulfate.
CaSO4 + Ba (NO3) 2 = BaSO4 + Ca (NO3) 2.
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