a) 2HCOOH + Mg ---> (HCOO)2Mg + H22HCOO(-) + 2H(+) + Mg ---> 2HCOO(-) + Mg(2+) + H2
b) HCOOH + KOH ---> HCOOK + H2O
HCOO(-) + H(+) + K(+) + OH(-) ---> HCOO(-) + K(+) + H2O
c) (HCOO)2Ba + Na2SO4 ---> 2HCOONa + BaSO4
2HCOO(-) + Ba(2+) + 2Na(+) + SO4(2-) ---> 2HCOO(-) + 2Na(+) + BaSO4
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a) 2HCOOH + Mg ---> (HCOO)2Mg + H2
2HCOO(-) + 2H(+) + Mg ---> 2HCOO(-) + Mg(2+) + H2
b) HCOOH + KOH ---> HCOOK + H2O
HCOO(-) + H(+) + K(+) + OH(-) ---> HCOO(-) + K(+) + H2O
c) (HCOO)2Ba + Na2SO4 ---> 2HCOONa + BaSO4
2HCOO(-) + Ba(2+) + 2Na(+) + SO4(2-) ---> 2HCOO(-) + 2Na(+) + BaSO4