Hello sir I want to ask you a question which is not in the byju's app it is from the chapter language of chemistry.
The equation which is given below is my doubt as I can't solve it .
CaCO2 +HCl= CaCl2 +CO2 +H2O
2 CaCO2 + 4 HCl = 2 H2O + CO2 + 2 CaCl2 + C