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10 questions from this quiz
Nitrogen, phosphorus, potassium
Phosphate rocks are insoluble
PO43−\text{PO}_4^{3-}PO43−
Treat them with acids
Ammonium phosphate
So they dissolve for spraying solutions
Potassium chloride (KCl\text{KCl}KCl)
To make ammonia from nitrogen & hydrogen
Products become raw materials for next step
mass of elementformula mass×100%\frac{\text{mass of element}}{\text{formula mass}} \times 100\%formula massmass of element×100%
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