Question: urgent , please solve fast and correctly [B] 5.00 g of an organic sample contaminated by phosphorous (MM=31) gave 0.5565 g of Mg2P2O7 (MM =222.6

urgent , please solve fast and correctly

urgent , please solve fast and correctly [B] 5.00 g of an

[B] 5.00 g of an organic sample contaminated by phosphorous (MM=31) gave 0.5565 g of Mg2P2O7 (MM =222.6 g/mol), precipitate by usual analysis. The percentage of Purity in the original sample will be

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