Posted by Jamie on .
I need to find how many grams phosphorus (P) are in 0.8645 g sample of MgNH4PO4 x 6H2O
How many grams P2O5 can be calculated with this many grams of P
What is the percent P (as P2O5) in this
moles MgNH4PO4.6H2O in 0.8645 g MgNH4PO4.6H2O =
0.8645/molar mass MgNH4PO4.6H2O = ?? moles.
Then ?? moles x (1 mole P/1 mole MgNH4PO4.6H2O = ?? moles x 1/1 = xx moles P.
Then g P = moles P x molar mass P.
ap chemistry -
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