What is the percent composition by weight of #Al# in #Al_2(SO_4)3#?

1 Answer
May 2, 2016

Answer:

#%"Composition"="Mass of component"/"Molar mass of compound"# #xx100%#, approx. 16% with respect to aluminum.

Explanation:

#(2xx26.98*g*mol^-1)/(342.15*g*mol^-1)xx100%# #=# #??%#