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How many moles of bromine gas is 2.17 x 10​ 23​particles of bromine gas?
4 years ago

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DrBob222
1 mole of Br2 has 6.02E23 molecules so
x mols of Br2 has 2.17E23.
Set the proportion and solve. Post your work if you want us to check it.
4 years ago

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