aubriannabald aubriannabald

01-09-2016
Chemistry

contestada

an aluminum engine bock has a volume of 4.77 L and a mass of 12.88 kg. What is the density of the aluminum in grams per cubic centimeter?

Respuesta :

Willchemistry Willchemistry

01-09-2016

12.88 kg in g :

1 kg --------- 1000 g
12.88 kg ---- ?

12.88 x 1000 / 1 => 12880 g

4.77 L in cm³ :

1 L ---------- 1000 cm³
4.77 L ------ ?

4.77 x 1000 / 1 => 4770 cm³

Therefore:

D = m / V

D =12880 / 4770

D = 2.70 g/cm³

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