Chapter 7.2, Problem 7.17PP

Calculate the molar mass for each of the following:

a. ${\text{Al}}_{\text{2}}{{\text{(SO}}_{\text{4}}\text{)}}_{\text{3}}$ , antiperspirant
b. ${\text{KC}}_{\text{4}}{\text{H}}_{\text{5}}{\text{O}}_{\text{6}}$ , cream of tartar
c. ${\text{C}}_{\text{16}}{\text{H}}_{\text{19}}{\text{N}}_{\text{3}}{\text{O}}_{\text{5}}\text{S}$ , amoxicillin, antibiotic