Chemistry
clederrafael
2016-04-09 18:24:06
Calculate the mass percent (m/m) of a solution prepared by dissolving 55.84 g of nacl in 152.7 g of h2o.
ANSWERS
tweetybird2
2016-04-10 00:50:55

m(NaCl)=55.84 g m(H₂O)=157.2 g m(solution)=m(NaCl)+m(H₂O) w(NaCl)=100m(NaCl)/m(solution)=100m(NaCl)/(m(NaCl)+m(H₂O)) w(NaCl)=100*55.84/(55.84+152.7)=26.78%

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