sodawater 1. 95*0.007 = 0,665
2. 0,665*4,6=3,59
3. 3,59*0,0014= 0,0042826
4. 1,15*4,9=5,635
5. 5,635*0,19=1,07065
6. 0,0042826/1,07065=0,004
7. 0,39*0,11=0,0429
8. 0,429*72=3,0888
9. 3,0888*0,004=0,0123552
10. 1,8*7,8=14,04
11. 14,04*0,44=6,1776
12. 0,0123552/6,1776=0,002
13. 0,004-0,002=0,002