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06-09-2017
Chemistry

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A gold colored ring has a mass of 18.9 grams and a volume of 1.12 mL. Is the ring pure gold? (The density of gold is 19.3 g/mL.)

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16-09-2017

Use the formula Density = mass / volume D= M/V M= 18.9 gm , V=1.12 mL, D= 1.12 gm/ mL But If we divide mass / voulme M / V = 18.9 / 1.12 = 16.875gm /mL So the ring is not made of pure gold as the density of gold is 19.3gm /mL

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