Question

Help, please. balance these equations by writing the proper coefficients in the blanks provided.

1. _____Mg + _____O2 --> _____ MgO
2. _____P + _____O2 --> _____ P2O5
3. _____S + _____O2 ---> _____SO2
4. _____Na + _____Cl --> _____NaCl
5. _____CaCO3 --> _____CaO + _____CO2

thank you :)

Answer 1

1. 2,1,2

2. 4, 5, 2

3. 1,1,1

4. 1, 1, 1

5. 1, 1, 1

Hope this helps!