How many atoms of each kind are represented in the following formulas?
(a) CH3CH2CO2C3H7
5 carbon, 10 hydrogen, 2 oxygen
(b) MgSO4·7H2O
1 magnesium, 1 sulfur, 11 oxygen, 14 hydrogen
(c) KAl(SO4)2·12H2O
1 potassium, 1 aluminum, 2 sulfur, 20 oxygen, 24 hydrogen
(d) Cu(NO3)2
1 copper, 2 nitrogen, 6 oxygen
(e) (CH3)3COH
4 carbon, 10 hydrogen, 1 oxygen