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13 July, 22:53

What mass of oxygen forms from 71.89 g CO2?

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  1. 13 July, 23:17
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    (This is not a guaranteed correct answer)

    Amount of CO2:

    = 71.89 / 12.0 + 2 (16.0)

    = 1.6339mol

    Mole ratio can be represented as:

    CO2 = 2O

    Amount of O2:

    = 1.6339 x 2

    = 3.2677mol

    Mass of O2:

    = 3.2677 x 2 (16.0)

    = 105g (3sf)
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