Find the no of carbon atom in a 60 grm pencil containing 60℅graphite?
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Expert's answer
2018-07-24T06:29:25-0400
m(carbon) =m(pencil)×C% (graphite) / 100 %
m=60×60/100
m=36 grm
So, the pencil contained 36 g of graphite. Graphite is composed of complete carbon atoms. The atomic mass of 1 mole of carbon is 12 grams. Considering this, we create the following proportion
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