1. Given, CaCO3(s) + HCl(aq) SCaCl(aq) + CO2(g) + H2O(1) If 10 g of pure CaCO3 is added in solution containing 1.26 <1023
molecules of HCI.
D) Calculate the mass of CaCl2a formed in the reaction. [1]
ii) What is importance of limiting reactants?
iii) Calculate the number of moles of excess reactant left over
unreacted and water molecules produced.
121
iv) What mass of NaOH required to absorbCO2 gas produce at
20°C and 750 mm Hg pressure?
G
G​