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what is the mass in grams of a cube of gold (density =19.32 g/cm^3)if the length of the cube is 2.00cm.?


Sagot :

We are given the density and the length of the cube. We start first by taking note that Density = Mass/Volume and the formula for the Volume of the Cube is s^3, where s is the side or length of the cube. We find first the Volume: V = (2.00 cm)^3 = 8.00 cm^3. Then, to find the mass: (19.32 g / cm^3) (8.00 cm^3) = Mass = 154.56 g.