Which chemical equation is correctly balanced? Responses Mg(NO3)2 K2CO3→MgCO3 KNO3 Mg(N O 3 ) 2 K 2 C O 3 → MgC O 3 KN O 3 Mg(NO3)2 K2CO3→MgCO3 2KNO3 Mg(N O 3 ) 2 K 2 C O 3 → MgC O 3 2 KN O 3 2Mg(NO3)2 K2CO3→2MgCO3 KNO3 2Mg(N O 3 ) 2 K 2 C O 3 → 2 MgC O 3 KN O 3 Mg(NO3)2 2K2CO3→MgCO3 2KNO3