Problem: For a plant food labeled 23-19-17, calculate: Your answer should be in two significant figures. a % nitrogen  b. % phosphorus  c. % potassium  Calculate % sulfate (SO4) in CuSO4. Your answer should be in one significant figure. 

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For a plant food labeled 23-19-17, calculate: Your answer should be in two significant figures. 

a % nitrogen  

b. % phosphorus  

c. % potassium  

Calculate % sulfate (SO4) in CuSO4. Your answer should be in one significant figure. 

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