Respostas

2014-09-03T16:34:42-03:00
M = 720 g
V = 900 ml = 0,9 L

1 L -------- 1000 cm³
0,9 L ----- x

900 cm³ = x

d=\dfrac{m}{V} \\ \\ d = \dfrac{720}{900} \\ \\ \\ \boxed{d = 0,8 \ g/cm^3}
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