SLAEM SAHARY answered 9/26/2011 Formaldehyde Has The Formula CH2O. How Many Molecules Are There In 0.11 G Of Formaldehyde? C= 12.01 H= 1.008 X(2) O= 16.00 Total = 30 0.11/ 30 = 3.66X10^-3 >>>>>>> 3.66X10^-3 X 6.02 X 10^23 = 2.2X10^21 thx
