What is the percentage by weight of calcium in Ca(OCI)2? [Ca = 40, Cl = 35.5, O = 16] by Sunday | May 9 | Chemistry WAEC | 0 comments A. 28.0% B. 31.6% C. 43.8% D. 44.5% Correct Answer: Option A A. 28.0% Users Also Read These:A fresh garden soil sample weighed 25kg. When…Calculate the percentage composition of oxygen in…200cm³ of 0.50mol/dm³ solution of calcium hydrogen…Calculate the percentage by mass of nitrogen in…A mixture of calcium chloride and calcium…