16. (3 points) determine the mass of a gold bar that has a density of 19.3 g/cm3 and is 2.72 cm high by 4.21 cm long by 2.98 cm deep. you must show all of your work for credit.

The mass of gold bar is 658.516 g

Explanation:

To calculate the volume of cuboid, we use the equation:

where,

V = volume of cuboid

l = length of cuboid = 4.21 cm

b = breadth of cuboid = 2.98 cm

h = height of cuboid = 2.72 cm

Putting values in above equation, we get:

To calculate the mass of a substance, we use the equation:

Density of gold bar =

Volume of gold bar =

Putting values in equation 1, we get:

Hence, the mass of gold bar is 658.516 g

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