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1 g of magnesium is burnt with o.56 g O2 in a closed vessel . which reactant left in excess and how much |
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Answer» f all write a BALANCE Rxn2Mg +O2 →→2 MgoNow 2 moles of mg react with 1 mole of oxygen32 gm oxygen react with 48 gm of mgApply unitary method32 gm o2 …….reacts with 48 gm mg1gm of o2 will react ……..48/32So,0.56 gm o2 will react ……..48×0.56/32=0.84 gm MAGNESIUM .This is the amount of mg that have been consume or react with oxygen …..so ,left amount1–0.84=0.16 gmI HOPE this will HELP u ... |
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