Question

Completează conform cerințelor, tabelul de mai jos.
REPEDE VA ROG DAU COROANA SI TOT!!!​

Answer 1

Salut!

La s3 avem

c/100=md/ms

ms=md+m solvent

ms=md+280

md+280......100%

md........36.5%

280.........63.5%

md+280=440.94

md=160.94

s4

c/100=md/ms

c/100=80/500

c=16

m solvent =500-80=420

s5

c/100=md/ms

ms=md+m solvent

ms=700

c/100=75/700

c=10.71%