lugol9354 lugol9354

04-10-2020
Chemistry

contestada

A gold cube is 170.00 mm long, 20.00 cm wide, and 0.99 m thick. If gold has a
density of 19.3 g/cm^3, calculate the mass of the gold cube.

Respuesta :

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04-10-2020

Answer:

Explanation:

There's 2 steps: first find the volume then the mass

volume=lwh

convert 20 cm to mm: 20x10=200mm

volume=(170)(200)(0.99)

volume=33,660 mm

since the density is in cm cubed, convert 33,660 mm to cm

33,660/10=3366

density=mass/volume, rearrange to get mass=density x volume

mass=19.3 x 3366

mass=64963.8

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