What is the mass percent of chlorine in chloroform #CHCl_3#? Chemistry The Mole Concept Percent Composition 1 Answer anor277 Apr 21, 2016 Approx. #90%# Explanation: #"Mass percent of chlorine in "CHCl_3# #=# #"Mass of chlorine"/"Mass of molecule" xx100%# #=# #(3xx35.45*g)/(119.37*g) xx 100%# #=# #??%# 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 8407 views around the world You can reuse this answer Creative Commons License