Răspuns :
1. md=70g
ms=350g
C%=md/ms*100
C%=70g/350g*100=20%
2.md=?
ms=30g
c%=32%
32%=md/30g
32/100=md/30g=>md=48/5(9,6g)
ms=350g
C%=md/ms*100
C%=70g/350g*100=20%
2.md=?
ms=30g
c%=32%
32%=md/30g
32/100=md/30g=>md=48/5(9,6g)
Răspuns:
1. md=70g
ms=350g
C=md×100/ms=70×100/350=20%
C=20%
2. C=32%
ms=30g
md=?
md=C×ms/100=32×30/100=9,6g
md=9,6g
Explicație:
succes