One of the reactions used in this lab actually occurs in two discrete steps, shown below. What is the overall net reaction that occurs?
Step 1: Na2CO3 (aq) + HCl (aq) --> HCO3^- (aq) + NaCl (aq)
Step 2: HCO3^- (aq) + HCl (aq) --> H2CO3 (aq) + NaCl (aq)