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A particular plant food has a label that reads 8-12-4.  The second number refers to the % P2O5 the plant food contains. Gravimetric analysis was done on a 10.0 g sample of plant food and you removed the phosphorus according to the equation below:  5H20(l) + HPO42- (aq)+ NH4+(aq) +Mg2+(aq)+OH-(aq)      __>       MgNH4PO4 . 6 H2O(s)   If you obtain 4.75 g of precipitate,  Calculate the experimaental  % P2O5   .  Is it close to the label reading of 12%?

A particular plant food has a label that reads 8-12-4.  The second number refers to the % P2O5 the plant food contains. Gravimetric analysis was done on a 10.0 g sample of plant food and you removed the phosphorus according to the equation below:  5H20(l) + HPO42- (aq)+ NH4+(aq) +Mg2+(aq)+OH-(aq)      __>       MgNH4PO4 . 6 H2O(s)   If you obtain 4.75 g of precipitate,  Calculate the experimaental  % P2O5   .  Is it close to the label reading of 12%?

Chemistry
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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A particular plant food has a label that reads 8-12-4.  The second number refers to the % P2O5 the plant food contains. Gravimetric analysis was done on a 10.0 g sample of plant food and you removed the phosphorus according to the equation below:


 5H20(l) + HPO42- (aq)+ NH4+(aq) +Mg2+(aq)+OH-(aq)      __>       MgNH4PO4 . 6 H2O(s)

 

If you obtain 4.75 g of precipitate,  Calculate the experimaental  % P2O5   .  Is it close to the label reading of 12%?

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