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A sample of vegetable oil density 921 kg/m3 is found to have a mass of 40.3 g. Find the volume of this sample

Respuesta :

Answer:

V = 43.8cm³

Explanation:

To calculate the volume of the sample we must first make sure the density and mass are in compatiple units. We can do this by changing the density to g/cm³ or the mass to kg.

[tex]\frac{921kg}{1m3}[/tex] × [tex]\frac{1000g}{1kg}[/tex] × [tex]\frac{1m3}{1000000cm3}[/tex] = 0.921g/cm³

Now we can use this and the mass given to get volume.

[tex]\frac{0.921g}{1cm3}[/tex] = [tex]\frac{40.3g}{V}[/tex]

40.3g = (0.921g)(V)

V = 43.8cm³

V = 43.8cm³

Density:-

Mass per unit volume is known as density.

To calculate the volume of the sample we must first make sure the density and mass are in units. We can do this by changing the density to g/cm³ or the mass to kg.

[tex]921 kg/m^{3} /times\frac{1000\ g}{1\ kg} \times\frac{1\ m^{3} }{1000000\ cm^{3} } =0.921\ g/cm^{3}[/tex]

Now we can use this and the mass given to get volume.

[tex]\frac{0.921\ g}{1\ cm^{3} } =\frac{40.3\ g}{V} \\\\ V=43.8\ cm^{3}[/tex]

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