Odpowiedzi

2010-01-06T22:37:47+01:00
Mr1 = 35g
Cp1= 10%
Cp2= 50%
md - ?
Cp1= ms/mr1* 100%
ms = cp1*mr1 /100%
ms = 10 *35/ 100 = 3,5g
Cp2 = ms +md / mr + md *100%
50 = 3,5 + md / 35 + md *100
1/2 = 3,5 + md / 35 + md
7 + 2md = 35 + md
md = 28g
Odp. Trzeba dosypać 28g.