Balance the following equations:

1. Na2SO4 + 2HCl
2. H2SO4 +NaOH
3. 2HCl + Na2CO3

1 answer

1. Na2SO4 + 2HCl -> 2NaCl + H2SO4
2. H2SO4 + 2NaOH -> Na2SO4 + 2H2O
3. 2HCl + Na2CO3 -> 2NaCl + H2O + CO2