Asked by Anonymous
How many sodium atoms are in 0.500 mg of sodium phosphate?
Answers
Answered by
DrBob222
How many mols Na3PO4 do you have? That's mols = grams/molar mass = 0.005/molar mass Na3PO4.
You must have 3 times that number of mols of Na (you know that from the formula). Now convert to number of atoms Na knowing that a mole of atoms has 6.02E23 atoms. Post your work if you get stuck.
You must have 3 times that number of mols of Na (you know that from the formula). Now convert to number of atoms Na knowing that a mole of atoms has 6.02E23 atoms. Post your work if you get stuck.
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