In the quantitative estimation of phosphorous by using magnesia mistur

1.	In the quantitative estimation of phosphorous by using magnesia misture, the formula used is :
Answer» percentage of `P=(62)/(222)xx(W xx100)/(w)` percentage of `P=(31)/(222)xx(W xx100)/(w)` percentage of `P=(62)/(222)xx(w xx100)/(W)` percentage of `P=(31)/(222)xx(w xx100)/(W)` SOLUTION :% of `p=(62)/(222)xx(W xx100)/(omega)`

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