What is concentration in ppm of potassium phosphate, Chemistry

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What is concentration in ppm of potassium phosphate

An aqueous solution is made by dissolving 2.569 grams of potassium phosphate (K3PO4) diluting to exactly 500.00mL in a flask with water.

a) What's the "analytical molarity" of potassium phosphate?

b) What's the "equilibrium molarity" of each: potassium phosphate, potassium cations, and phosphate anions in the solution?

c) What's the weight/weight percentage of potassium phosphate in solution? Assume density of water is 1.000g/mL.

d) What's the concentration in ppm of potassium phosphate?

e) What's the p [PO43-]?

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Chemistry: What is concentration in ppm of potassium phosphate

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