Respostas

2014-06-22T01:26:26-03:00
C1.V1 + C2.V2 = C3.(V1+V2) 
15.200 + 30.100 = C3.(200+100)
3000 + 3000 = C3 . 300
 C3 = \frac{6000}{300}
C3 = 20g/L