Suatu larutan urea 30% (Mr=60) jika Kf air=1,86°C/m. Tentukan titik beku larutan.
Kimia
riskidianti06
Pertanyaan
Suatu larutan urea 30% (Mr=60) jika Kf air=1,86°C/m. Tentukan titik beku larutan.
1 Jawaban
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1. Jawaban ionkovalen
delta Tf = m x Kf
= 30/60 x 1000/70 x 1,86
= 13,28°C
Tf larutan = -13,28°C