P
$H_2O+Na_3NO_4 \longrightarrow NaNO_3+2NaOH$
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$Bacl_2+Na_2SO_4 \longrightarrow 2NaCl+BaSO_4$
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Ba(OH)_2 + 2CH_3COOH -----> (CH_3COO)_2Ba + 2H_2O
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Mg(NO3)2 + 2NaOH → Mg(OH)2 + 2NaNO3...............
mk chịu ko gõ nổi latex
Mg(OH)2+2HNO3------->Mg(NO3)2+2H2O