Complete the following reactions (you do not need to balance the equations): (2 marks each) a) Mg + H20 - Mg 2+ b) Al + PbSO4 - Al2(SO4)3 + c) K+ MgCO3 -- Mg + d) CzH6 +02 e) Na+H20 - NaOH + 6) Zn + H2SO3 + H2+ o la k Question 23 (12 points) Balance each of the following equations: (3 marks each) a) H2SO4 + Al(OH)3 - Al2(SO4)3 + H2O b) Ca3P2 + H20 - PH3 + Ca(OH)2 c) C3H,OH + O2 -- CO2 + H20 d) Cly + CrBra - Br2 + CrCla Question 24 (5 points) In the lab. It is possible to burn potassium in oxygen. Give the balanced chemical equation for the combustion of potassium