Assignment:
Q1. Calculate the molecular weight of the following compounds:
Al2(SO4)3 ____________________ SbBr5 ____________________
Fe(NO3)3 ____________________ C9H11NO2 ____________________
Q2. Calculate the number of moles in 25 grams of each of the following compounds:
C9H11NO2 ____________________
Al2(SO4)3 ____________________
Q3. Calculate the number of grams of each in 1.25 mol of the following compounds:
Fe(NO3)3 ____________________
SbBr5 ____________________
Q4. Calculate the percent of each element present in the following compounds:
C9H11NO2 C = __________ H = __________ N = __________ O = __________
Fe(NO3)3 Fe = __________ N = __________ O = __________
Q5. Determine the empirical formula for the following compounds whose % compositions are given below:
49.41% C, 4.56% H, 32.87% Br, 13.16% O ____________________
36.76% Fe, 21.11% S, 42.13% O ____________________