Помогите с химией! HCl +... = CO2 +....???HCl +... =H2S +....???

Question

Помогите с химией!
HCl +... = CO2 +....???
HCl +... =H2S +....???

Answer 1

2НСl + Na2CO3 = CO2 + H2O + 2NaCl

2HCl + Na2S = H2S + 2NaCl