Homework Help: AP Chem need serious explanation

Posted by Joe King on Saturday, September 22, 2012 at 9:06am.

Calculate the number of moles of carbon
atoms present in 1.4 g of ethanol (C2H6O).

i get that you calculate the number of moles of ethanol whic i got was .03039 but how do you get the moles of CARBON from that.

AP Chem need serious explanation - bobpursley, Saturday, September 22, 2012 at 12:10pm
look at the formula. there are two carbons for each molecule of ethanol.

so moles of carbon: 2*.03 moles

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