Thursday, February 21, 2013 at 6:54pm.
how many c atoms are contained in 15.63g of c5h12??
You have to find the mass of 1 mole first. Then you will know what fraction of a mole you are working with
one mole has 5 carbons
your fraction of a mole has ? carbons
5* 12.01+ 12*1.01= 60.05 g/mol
1 mol of C= 60.05g/mol
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