From your mass of MgNH4PO4.6H2O collected, calculate your value

a) for the mass of "P2O5" in the initial mass of fertilizer analyzed
b) the % "P2O5" in the fertilizer. Compare this with the manufacturer's specification.

Just want to know how i would go about this question, where would I start.

1 answer

I responded to this in detail at your first post. You need to go back and check for answers before posting again.