Answered

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How many moles of potassium are contained in 449 g of potassium?.

Sagot :

Answer:

12.8 moles of potassium

Explanation:

449 g/39.10 g = 12.76 moles

First, you divide 449 g of potassium by its molar mass which is 39.10 g. Then you will get your answer, but you need to round it to 3 numbers because of Sig Figs, which makes it 12.8 moles.

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