Question

What quantity of potassium phosphate, in grams, is required to prepare 500.0 ml of solution where you the concentration of potassium is 0.100 M.

I did this problem and I got 10.6 grams but my computer says I did wrong. what steps am I missing. I'm confused now because I converted potassium to potassium phosphate.
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Answer 1

Answer: 3.54

Explanation:

You're forgetting to divide by 3 for the 3 moles of potassium that are in potassium phosphate.

Potassium Phosphate= K3PO4