What is the percentage metal content by mass in aluminum sulfate? Chemistry The Mole Concept Percent Composition 1 Answer anor277 May 26, 2016 Of #Al_2SO_4#? Approx. 16% (w/w) Explanation: #(2xx26.98*g)/(342.15*g*mol^-1)xx100%# #~=# #16%# 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 2000 views around the world You can reuse this answer Creative Commons License