Question

se dizolva 200g zahar in apa obtinandu se o solutie de concentratie 15%. Calculeaza masa solutiei obtinute si masa de apa in care s a dizolvat zaharul​

Answer 1

Răspuns:

md=200g

C=15%

ms=?

mapa =?

ns=md×100/C=200×100/15=1333,33g

mapa=1333,33-200=1133,33g