Помогите!!!!!!!!!!!!!!!!!!!

Question

Помогите!!!!!!!!!!!!!!!!!!!

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Answer 1

1. Li2O + H2O = 2Li(OH)
2. а) 2H2O = 2H2+O2 (док-во)
4. СaCI2=> Ca + 2CI
K2SO4 => 2K + SO4
Fe2(SO4)3 => Fe + 3SO4