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Acc to equation, 2Ca + O2 2CaOCaO + H2OCa(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

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