Calculate the mass percentage of potassium in K3PO4

MeanwhileInHell asked Sep 14, 2023

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MeanwhileInHell asked Sep 14, 2023

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8 votes

1) determine molar mass of K₃PO₄

$=3(39.10)+30.97+4(16)\\=212.27\ g/mol$

2) determine total mass of potassium atoms in K₃PO₄

$=3(39.10)\\=117.3\ g$

4) divide by molar mass and multiply by 100

=(117.30)/(212.27) ×
100

= 55.25981062% (round as you wish)

Pmoule answered Sep 20, 2023

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