hudsonca hudsonca

26-05-2021
Chemistry

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

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jellyfish0802 jellyfish0802

26-05-2021

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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