What is the percentage metal content in aluminum sulfate? Chemistry The Mole Concept Percent Composition 1 Answer anor277 Jun 10, 2016 #%Al# #=# #"Mass of aluminum"/"Mass of aluminum sulfate"xx100%# #~=20%# Explanation: Thus #%Al# #=# #(2xx26.98*g*mol^-1)/(342.15*g*mol^-1)xx100%# #=# #??%# Answer link Related questions What is mole percent? Question #e2e8b Question #bc737 Question #bc73b Question #e2e8f Question #b9857 Question #b985b Question #fee41 Question #c5c01 Question #bc73f See all questions in Percent Composition Impact of this question 1548 views around the world You can reuse this answer Creative Commons License