How many grams of P2O3 are needed to react with 248 g of NaOH ?

Question

How many grams of P2O3 are needed to react with 248 g of NaOH ?

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Thạch Thảo 3 months 2021-08-02T18:38:10+00:00 1 Answers 7 views 0

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    2021-08-02T18:39:10+00:00

    Answer:

    170.43g P2O3

    Explanation:

    First write and balance the equation:

    P2O3 + 4NaOH → 2Na2HPO3 + H2O

    NaOH=39.997 g/mol  P2O3= 109.945 g/mol

    248g NaOH x 1 mol NaOH/39.997g NaOH x 1 mol P2O3/4 mol NaOH x

    109.945g P2O3/ 1 mol P2O3 = 170.43g P2O3

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