Please explain this question Share with your friends Share 0 Aastha Bishnoi answered this Dear student Acc to equation, 2Ca + O2 →2CaOCaO + H2O→Ca(OH)2 so 2 moles of Ca forms 2 moles of Ca(OH)2 80g Ca reacts to form 148 g of calcium hydroxide. molecular mass of Ca(OH)2= 74g1g Ca would form=148×180= 1.85 g answer= 0.05N Regards 1 View Full Answer