sog1818 sog1818

25-08-2020
Biology

contestada

A substance has a volume of 20 ml and a density of 2.5 g/ml.What is it mass? A:0.125g ,B:8g, c:22.5g or D:50g

Respuesta :

kirstenhope01 kirstenhope01

30-08-2020

Answer:

D. 50g

volume : 20ml

= 0.02 l

density : 2.5g/ml

= 2500 g/l

therefore, p=m/v

m= p x v

= 2500 x 0.02

= 50

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