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27 June, 18:20

How many moles of oxygen are in 8.25g of O?

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  1. 27 June, 19:31
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    8.25 grams of O2 has 0.258 moles of Oxygen. Here's how you figure that out:

    Oxygen is one of the 7 diatomic elements, so it is normally O2.

    You find it's molar mass (or mass for one mole of it) by adding up two of the masses from the Periodic Table.
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