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A chemist measures the amount of bromine liquid produced during an experiment. He finds that 1.33 g of bromine liquid is produced. Calculate the number of moles of bromine liquid produced. Round your answer to 3 significant digits.

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Answer:

8.32×10⁻³ moles of liquid Br₂ were produced.

Explanation:

You have the mass of bromine liquid produced and you must calculate the moles. Therefore you divide mass / molar mass Br

Bromine is a diatomic molecule, Br₂ so molar mass is 159.8 g/mol

1.33 g / 159.8 g/mol = 8.32×10⁻³ moles

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