Question

Balance Ca+O2→CaO+H2O→Ca(OH)2 K+O2→K2O+H2O→KOH

Answer 1

2Ca + O2 = 2CaO + 2H2O = 2Ca(OH)2

4K + O2 = 2K2O + 2H2O = 4 KOH

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Answer 2

Answer:

2Ca + O2 = 2CaO + 2H2O = 2Ca(OH)2

4K + O2 = 2K2O + 2H2O = 4 KOH