( ( ( ( c. -RRB- ) ( ( Determine ( the ( ( -LRB- ( mass -RRB- ) ) ( percent composition ) ) ) ) ( of ( each element ) ) ) ) ( in ( each compound ) ) ) . )
(ROOT (S (VP (VBD c.) (-RRB- -RRB-) (NP (NP (NP (NNP Determine)) (NP (DT the) (PRN (-LRB- -LRB-) (NP (NN mass)) (-RRB- -RRB-)) (NN percent) (NN composition))) (PP (IN of) (NP (DT each) (NN element)))) (PP (IN in) (NP (DT each) (NN compound)))) (. .)))
c.) Determine the (mass) percent composition of each element in each compound.
(ROOT (S (NP (DT The) (NN term) (NN percent) (NN composition)) (VP (VBZ means) (NP (DT the) (NN percentage)) (PP (IN by) (NP (NP (NN mass)) (PP (IN of) (NP (NP (DT each) (NN element)) (PP (IN in) (NP (DT a) (NN compound)))))))) (. .)))