Student ID  KCl yield (g)

 1 25.0
 2 23.5
 3 261.2
 4 16.4
 5 19.0
 6 *
 7 18.7
 8 18.5
 9 28.6
10 21.4
11 19.3
12 29.7
13 *
14 21.2
15 18.4
16 23.7
17 24.9
18 15.6
19 22.9
20 0.0
21 18.8
22 20.8
23 *
24 23.9
25 16.8
26 24.6
27 23.8
28 27.4
29 17.9
30 27.5