Weight of 3.01*10^22 molecules of urea sample
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First of all let's find how many mole of urea ((NH2)2CO):
3.01*10^22/ 6.02*10^23 = 0.05 mole. Molar mass of urea 14*2 + 1*4 + 12 + 16 = 60 g/mole. So the weight of urea will be 0.05 mole * 60 g/mole = 3 g.
3.01*10^22/ 6.02*10^23 = 0.05 mole. Molar mass of urea 14*2 + 1*4 + 12 + 16 = 60 g/mole. So the weight of urea will be 0.05 mole * 60 g/mole = 3 g.
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