A water-treatment facility stores solid aluminum sulfate, Al2(SO4)3
CHEMISTRY · Multi-part · A Level · Chemistry · Amount of substance · Amount of substance
Problem
A water-treatment facility stores solid aluminum sulfate, Al2(SO4)3, in 33.0-lb (pound) drums. The molar mass of aluminum sulfate is 342 g mol^−1. (1 lb = 453.6 g.)
Complete the tasks below. Show all work, retain at least three significant figures in intermediate steps, and report final answers with appropriate units.
(a) Convert the drum’s mass to kilograms.
(b) Calculate the number of formula units of Al2(SO4)3 contained in the drum.
(c) Determine the total number of oxygen atoms present in the 33.0-lb drum.