1)Find the ionic and net ionic equation a. 1 Mg+2H 2 O-->1Mg(OH) 2 +H 2 b.1H 3 P

Question

1)Find the ionic and net ionic equation a. 1 Mg+2H2O-->1Mg(OH)2+H2 b.1H3PO4+3LiOH-->3H2O+1Li3PO4 1)Find the ionic and net ionic equation a. 1 Mg+2H2O-->1Mg(OH)2+H2 b.1H3PO4+3LiOH-->3H2O+1Li3PO4 b.1H3PO4+3LiOH-->3H2O+1Li3PO4

Explanation / Answer

Weak acids and electrolytes do not dissociate into their componentions in the net ionic equation. Anything that is not aqueousremains unchanged through each equation. a) Mg (s) + 2H2O (l) ---> Mg(OH)2 (aq) +H2 (g) Ionic: Mg (s) + 2H2O (l) ---> Mg2+ (aq) +2OH- (aq) + H2 (g) Net Ionic: Mg (s) + 2H2O (l)---> Mg2+ (aq) + 2OH- (aq) + H2(g) (assuming Mg(OH)2 is soluble in this particularsituation. Otherwise the total balanced equation, ionic andnet ionic would be the same. Group II hydroxides are only slightlysoluble in water depending on the temperature.) b) H3PO4 (aq) +3LiOH (aq) -->3H2O (l) + Li3PO4 (aq) Ionic: H3PO4 (aq) + 3Li+(aq) + 3OH- (aq) --> 3H2O (l) +3Li+ (aq) + PO43-(aq)Net Ionic:H3PO4 (aq) +3OH- (aq) --> 3H2O (l) +PO43- (aq)

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