Minggu, 30 September 2012

Tugas 1



% by Volume
Density (g/ml)
0.00
0.99908
5.00
0.99190
10.00
0.98569
15.00
0.98024
20.00
0.97518
25.00
0.97008
30.00
0.96452
35.00
0.95821
40.00
0.95097
45.00
0.94277
50.00
0.9335
55.00
0.9235
60.00
0.9128
65.00
0.9013
70.00
0.8892
75.00
0.8765
80.00
0.8631
85.00
0.8488
90.00
0.8331
95.00
0.8153
100.00
0.7932






















Tugas

  1. Berapa massa 5 galon alcohol 40 % ?
 (1 galon = 3,7 L)

Jawab :

1.      V alk  = 5 x 3,7 L
           = 18,5 L

  bj alk 40 % = 0,95097

W alk = V x bj
           = 18,5 x 0,95097
       = 17,592945 gr, setara dengan 17,59 gr

Tidak ada komentar:

Posting Komentar