Asked by NEWTON SAPAM
Calculate the number of potassium ions present in 7.45 g of potassium oxide
Answers
Answered by
DrBob222
How many mols K2O in 7.45 g K2O? That's
mols K2O = 7.45 grams/molar mass K2O = ?
Looking at the formula you can see there are twice as many mols K^+ as there are in (7.45 g/molar mass K2O) of K2O.
Then you know there are 6.02E23 ions in 1 mol ions so how many atoms do you have?
mols K2O = 7.45 grams/molar mass K2O = ?
Looking at the formula you can see there are twice as many mols K^+ as there are in (7.45 g/molar mass K2O) of K2O.
Then you know there are 6.02E23 ions in 1 mol ions so how many atoms do you have?
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