Calculate the density of a rectangular solid which has a mass of 25.71 g. It is

Question

Calculate the density of a rectangular solid which has a mass of 25.71 g. It is 2.30 cm long. 4.01 cm wide, and 1.82 cm high. A prospector found an irregularly shaped solid inj a creek bed. The solid had a mass of 44.197 g. He placed the solid in a volumetric measuring device containing a liquid. The initial total volume of the liquid was read as 7.30 mL. The solid was completely submerged in the liquid and the total and volume of the liquid and solid was read as 9.59 mL. Calculate the density of the solid. Use a table of densities of densities form your text to identify the solid.

Explanation / Answer

3)

m = 25.71 g

L = 2.3 cm

W = 4.01 cm

H = 1.82 cm

V = LWH = 2.3*4.01*1.82 = 16.78586 cm3 = 16.78586 ml

D = mass/V = 25.71 /16.78586 = 1.53164 g/ml

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