Chapter 2, Problem 80RQ

2.80 How many atoms of each kind are represented in the following formulas? For each, name the elements present. $\left(\text{a}\right){\text{ CH}}_{\text{3}}{\text{CH}}_{\text{2}}{\text{CO}}_{\text{2}}{\text{C}}_{\text{3}}{\text{H}}_{\text{7}}\text{, }\left(\text{b}\right){\text{ MgSO}}_{\text{4}}\cdot {\text{7H}}_{\text{2}}\text{O, }\left(\text{c}\right)\text{ KAl}{\left({\text{SO}}_{\text{4}}\right)}_{\text{2}}\cdot {\text{ 12H}}_{\text{2}}\text{O, }\left(\text{d}\right)\text{Cu}{\left({\text{NO}}_{\text{3}}\right)}_{\text{2}}\text{, }\left(\text{e}\right){\left({\text{CH}}_{\text{3}}\right)}_{\text{3}}\text{COH}$