calculate the number of molecules in 11 g of Carbon Dioxide.(atomic massof C and O are 12u and 16u respectively)
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We need to find the molecular mass of carbon dioxide
Molecular mass ofCO2= Molecular mass of carbon + 2 (Molecular mass of oxygen) { 2 atoms of oxygen are present)
Molecular mass of carbon = 12
Molecular mass of oxygen= 16
molecular mass of CO2 = 12 + (16 X 2)
= 12 + 32
= 44 g
Mass of 1 mole (6.023 X 1023 molecules) of CO2 is about 44g.
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