Respostas

2014-02-27T14:17:07-03:00
Resposta

d = 0,7g/cm³
m = 420g

d = m/V
V = m /d
V = 420/0,7
V = 600cm³
2014-02-27T14:22:59-03:00
600 ml
D = m/v
0,7 = 420/ v
V = 600 ml.
ops Cm3 , ( cm3 e ml são equivalentes)