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Author Question: What is the molar concentration of sodium ions in a 0.450 mol L-1 Na3PO4(aq) solution? (Read 74 times)

Diane

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Question 1

What is the concentration of NO3- ions in a solution prepared by dissolving 25.0 g of Ca(NO3)2 in enough water to produce 300 mL of solution?
◦ 0.254 mol L-1
◦ 0.508 mol L-1
◦ 0.672 mol L-1
◦ 1.02 mol L-1

Question 2

What is the molar concentration of sodium ions in a 0.450 mol L-1 Na3PO4(aq) solution?
◦ 0.150 mol L-1
◦ 0.450 mol L-1
◦ 1.35 mol L-1
◦ 1.80 mol L-1


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Marked as best answer by Diane on Jul 8, 2021

beccamahon

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Diane

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Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)


peter

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Reply 3 on: Yesterday
Gracias!

 

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