An industrial process makes calcium oxide by decomposing calcium carbonate. Which of the following is NOT needed to calculate the mass of calcium oxide that can be produced from 4.7 kg of calcium carbonate?
Answer: Out of all the options presented above the one that is not needed to calculate the mass of calcium oxide that can be produced from 4.7 kg of calcium carbonate is answer choice D) The volume of unknown mass.
2 hydrogen and 2 chlorine on the reactant side(left of the arrow) There is only 1 H and 1Cl on the products side so the balanced equation would be; H2 + Cl2 —> 2 HCl
