coGaglandy coGaglandy

16-10-2016
Chemistry

contestada

Gold is one of the densest substance on earth. a gold bar that is 20cm by 5cm by 5 cm has a mass of 9kg. what is the density of gold?

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Willchemistry Willchemistry

23-10-2016

v = 20 cm x 5 cm x 5 cm => 500 cm³

d = m / V

d = 9 / 500

d = 0.018 kg/cm³

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