September 2018 1 178 Report
1. Bila 1,2 gram Urea (Mr=60) dilarutkan kedalam air sehingga volume larutan menjadi 2dm^3. Pd suhu 27°C, maka tekanan osmotik larutannya adalah....

2. Tekanan osmotik larutan yang menganding 3 gram CO(NH2)2 (2 angka dibawah) dalam 500 ml larutan pada suhu 27°C dan R=0,082 L atm . Mol^-1K^-1 adalah.... (Ar C=12, H=1,O=16, N=14)
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