Răspuns:
1. c1=mdx100/ms md = 28x14/100= 3,92g
Explicație:m apa = 14-3,92= 10,08g la c1
c2 ms2= 3,92x100/ 30= 13,06 g
m apa= 13,06- 3,92= 9,14g la c2
10,08- 9,14= 0,94g se evapora
2. md= 40x20/100= 8g
m apa= 20-8=12 g la c1
ms2 = 8x100/20= 40g
m apa= 40-8=32g la c2
32-12= 20g apa se adauga
