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arzhanovaamelia
@arzhanovaamelia
July 2022
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Bloorysnake
1. Са → CaO → Ca(OH)2
2Са + О2 = 2СаО
СаО + H2O =Ca(OH)2
2. P → P2O5 →H3PO4
4P + 5O2 = 2P2O5
P2O5 + 3H2O = 2H3PO4
3. Cu → CuO → CuSO4
2Cu + O2 = 2CuO
CuO + H2SO4 = CuSO4 + H2O
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Answers & Comments
1. Са → CaO → Ca(OH)2
2. P → P2O5 →H3PO4
3. Cu → CuO → CuSO4