Answers

2015-05-18T14:20:18+05:30
Given mass of CO2_- 2.2g Molecular mass of CO2 _- 12 ➕ 16x2 _-44 No of mole _-given mass in gram /molecular mass _-2.2/44_-0.05 mole
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2015-05-18T14:22:43+05:30
No. of moles in 44g of CO∨2 is 1
therefore, no.of moles in 2.2g of CO∨2 = 2.2/44
                                                       =0.05 moles
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