In the quantitative estimation of phosphorous by using magnesia mixture, the formula used is \( ....

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In the quantitative estimation of phosphorous by using magnesia mixture, the formula used is
\( \mathrm{P} \)
\( \mathrm{W}= \) Mass of Magnesium pyrophosphate ; \( \mathrm{w}= \) Mass of organic compound
(1) Percentage of \( \mathrm{P}=\frac{62}{222} \times \frac{W \times 100}{w} \)
(2) Percentage of \( \mathrm{P}=\frac{31}{222} \times \frac{W \times 100}{w} \)
(3) Percentage of \( \mathrm{P}=\frac{62}{222} \times \frac{w \times 100}{W} \)
(4) Percentage of \( \mathrm{P}=\frac{31}{222} \times \frac{w \times 100}{W} \)


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