# Chemistry

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The grams of oxygen that would produce 13.4 g Cl^2O^7 molecules.

• Chemistry -

The fraction of a Cl2O7 molecule's mass that is oxygen is
(16*7)/[16*7 + 2*35.5)
= 112/183 = 0.612

Multiply that by 13.4 g for the answer.

• Chemistry -

Thank you.

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