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18-10-2017
Chemistry

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A flask contains 0.220 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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18-10-2017

0.440*6.022*10^23 ≈ 264,968,000,000,000,000,000,000 ≈ 265,000,000,000,000,000,000,000
when expressed in the precision of the original datum.

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