What mass of sodium chloride (NaCl) forms when 7.5 g of sodium carbonate (Na2CO3) reacts with a dilute solution of hydrochloric acid (HCl)? Type in your answer using the correct number of significant figures. Na2CO3 + 2 HCl → 2NaCl + H2O + CO2 7.5 g Na2CO3 = g NaCl