Question

md =10 g zahar ms=150 g solutie /c=?
URGENT!!!!

Answer 1

notez cu "/' impartirile si cu ''x'' inmultirea:

c=md x 100/ms => 10 x 100/150=6.66%

Answer 2

c = md • 100 supra ms

c = 10 • 100 supra 150

c = 1000 supra 150 ( simplifici zerourile)

c = 100 supra 15 = 6,66%

c = 6,66%

Sper ca am ajutat:)))$$$