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14-08-2020
Chemistry

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A 2.16-g sample of an oxide of chromium contains 1.34 g of chromium. Calculate the simplest formula for the compound.

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cliffoyaro2002 cliffoyaro2002

14-08-2020

Answer:

chromium:oxygen=1:2

Explanation:

total mass=2.16g

mass of chromium=1.34g

mass of oxygen=2.16g-1.34g=0.82g

chromium oxygen

mass:1.34g 0.82

RAM:52 16

divide the mass with the RAM

0.02577 0.05125

divide by smallest number to find ratio

1 2

ratio of chromium to oxygen=1:2

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