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22-08-2017
Chemistry

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A flask contains 0.480 mol of liquid bromine, br2. determine the number of bromine molecules present in the flask. express your answer numerically in molecules.

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barnuts barnuts

04-09-2017

The number of Bromine molecules can be obtained using the Avogadros number.

Avogadros number = 6.022 x 10^23 molecules / mole

Bromine molecules = 0.480 mole * (6.022 x 10^23 molecules / mole)

Bromine molecules = 2.89 x 10^23 molecules

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