Chapter 2, Problem 77RQ

2.77 How many atoms of each element are represented in each of the following formulas? For each, name the elements present, $\left(\text{a}\right){\text{K}}_{\text{2}}{\text{C}}_{\text{2}}{\text{O}}_{\text{4}}\text{, }\left(\text{b}\right){\text{ H}}_{\text{2}}{\text{SO}}_{\text{3}}\text{,}\left(\text{c}\right){\text{C}}_{\text{12}}\text{H26,}\left(\text{d}\right){\text{HC}}_{\text{2}}{\text{H}}_{\text{3}}{\text{O}}_{\text{2}}\text{,}\left(\text{e}\right){\left({\text{NH}}_{\text{4}}\right)}_{\text{2}}{\text{HPO}}_{\text{4}}$