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26 August, 10:23

A compound containing phosphorus and oxygen has a molar mass of 219.9 g/mol and an empirical formula of p2o3. Determine its molecular formula.

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  1. 26 August, 11:14
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    P₄O₆

    Explanation:

    The molecular formula is a whole number multiple of the empirical formula. that is, if the mole wt is 219.9 gms/mole and the empirical formula weight is 110 gms/mole*, then the whole number multiple is 219.9/110 = 2 = > Molecular formula = > (P₂O₄) ₂ = > P₄O₆.
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