Question

Balance the following chemical equation a) Na + O2 --> Na2O b) H2 + Cl2 --> HCl c) Zn + HCl --> ZnCl2 + H2 d) Ca + O2 --> CaO​

Answer 1

Explanation:

a) 4Na + O2 ----------> 2Na2O

B) H2 + Cl2 ----------> 2HCl

C ) Zn + 2HCl -------------> ZnCl2 + H2

D ) 2Ca + O2 ---------------> 2CaO