October 2018 1 33 Report
45gr urea Mr:60 dilarutkan dlam 270gr air Mr:18. jika tekanan uap air murni pada suhu 80 derajat celcius : 70mmHg, tentukan :
a. fraksi mol urea
b. penurunan tekanan uap larutan
c. tekanan uap larutan
(beserta cara)

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