Calculate the density of a box with a mass of 500 g and the following
dimensions: l = 8cm, w = 6 cm, h = 5 cm.

25/12 or about 2.083g/cm^3

Explanation:

The first step is to find the volume of the box. The formula for the volume of a rectangular prism is width*height*length, which in this case is 8*6*5=240 cubic centimeters. The formula for calculating density is mass/volume, which in this case is 500/240=25/12 or about 2.083 g/ cubic centimeter. Hope this helps!

2.083g/cm3

Explanation:

density=mass/volume

volume=l×w×h

hope this helps

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the answer for sodium is 0.186

the answer for rubidium is 0.251