rubend1059 rubend1059

19-10-2021
Chemistry

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what is the percent of phosphorus by mass in phosphoric acid h3po4

Respuesta :

JoshEast JoshEast

19-10-2021

Answer: 31.61 %

Explanation:

% phosphorus by mass

= (mass of phosphorus ÷ mass of phosphoric acid) × 100%

= (30.974 g/mol ÷ 97.994 g/mol) × 100%

= 31.61 %

∴ percent of phosphorus by mass in phosphoric acid 31.61%.

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