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16 December, 06:33

Analysis of a 10.15 g sample of a compound known to contain only phosphorus and oxygen indicates a phosphorus content of 4.433 g. What is the empirical formula of this compound

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  1. 16 December, 09:52
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    find mass of oxygen by subtracting mass of phosphorus from the total mass

    divide the masses by the molar mass to get moles

    divide moles by the smallest amount of moles

    multiply by 2 to get a nice number

    P4O5
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