The percentage by mass of calcium in Ca(OCI)2 is [Ca = 40.0; CI = 35.5; O = 16.0] by Sunday | May 7 | 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 uniform metre rule of mass 90g is provided at the…What is the percentage by mass of copper in copper…What is the percentage by weight of calcium in…An oven dried soil sample of mass 8g had a mass of…A calcium atom and a calcium ion have the same?