Respostas

2013-03-04T16:52:59-03:00

1,792 o que? kg ou g?

se for kg vamos la

 

1 kg = 1000 g

1 mL = 10^-^3 L

1 L = 1 dm^3

1 dm^3 = 1 10^3cm^3

a) d=\frac{m}{v}=\frac{1792g}{200 cm^3}=8,96 g/cm^3

 

b) d=\frac{m}{v}\\ 8,96=\frac{1000}{v}\\ v=111,60 cm^3

 

6 2 6