3. Chemical Reactions
Balancing Chemical Equations
25PRACTICE PROBLEM
Balance the following chemical equation: Co(NO3)3(aq) + (NH4)2CO3(aq) → Co2(CO3)3(s) + NH4NO3(aq)
Balance the following chemical equation: Co(NO3)3(aq) + (NH4)2CO3(aq) → Co2(CO3)3(s) + NH4NO3(aq)
ANSWERS OPTIONS
A
2 Co(NO3)3(aq) + (NH4)2CO3(aq) → 2 Co2(CO3)3(s) + 3 NH4NO3(aq)
B
3 Co(NO3)3(aq) + 2 (NH4)2CO3(aq) → 2 Co2(CO3)3(s) + 4 NH4NO3(aq)]
C
Co(NO3)3(aq) + 2 (NH4)2CO3(aq) → Co2(CO3)3(s) + 2 NH4NO3(aq)
D
2 Co(NO3)3(aq) + 3 (NH4)2CO3(aq) → Co2(CO3)3(s) + 6 NH4NO3(aq)