How is the percentage of phosphorus calculated when using Mg₂P₂O₇?

Question

Accepted Answer

(62 × mass of Mg₂P₂O₇ × 100)/(222 × mass of compound)

Answer

(222 × m × 100)/(62 × m₁)

Answer

(62 × m × 100)/(222 × m₁)

Answer

(222 × m₁ × 100)/(62 × m)

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