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7/21/2019 Perhitungan Percobaan D1 D2
http://slidepdf.com/reader/full/perhitungan-percobaan-d1-d2 1/3
I. Pengolahan Data
• Penurunan Titik Beku (D-1)
• Perubahan Temperatur
∆T f1 = ∆T 2 - ∆T 1 = 4,36 – 3,89 = 0,47
∆T f2 = ∆T 2 - ∆T 1 = 4,43 – 3,89 = 0,4
• !eakti"an Pe#arut (a)
#n a1 = (-6,68$10-3$ %T"1) - (&,6$10-$ %T"1&) = (-6,68$10-3$ 0,47) - (&,6$10-$ (0,47)&)
= -3,14$ 10-3
a1 = 0,9969
#n a& = (-6,68$10-3$ %T"&) - (&,6$10-$ %T"&&) = (-6,68$10-3$ 0,4) - (&,6$10-$ (0$4)&)
= -3,61$10-3
a& = 0,9964
• !em'#a#an a"ta#en (m)
• !'e"iien *m'i
•!'e"iien !eakti"an
, didapatkan dari luas trapesium dibawah kurva
terhadap m.
•
•
7/21/2019 Perhitungan Percobaan D1 D2
http://slidepdf.com/reader/full/perhitungan-percobaan-d1-d2 2/3
m
Luas dibawah kurva =
== 0,98
= (1- 0,98
#n = 1,393
• !eakti"an +at Ter#arut
A =
A= 4,036
A= 0,9388
• !enaikan Titik Diih (D-&)
• Perubahan Temperature
∆T b1 = ∆T 2 - ∆T 1 = 4,&0 – 4,07 = 0,13
∆T b2 = ∆T 2 - ∆T 1 = 4,10 – 4,07 = 0,03
•
Penentuan r