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A chemist weighed out 65.8 g of potassium. Calculate the number of moles of potassium she weighed out. Round your answer to 3 significant digits.
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2 votes
A chemist weighed out

65.8

g
of potassium. Calculate the number of moles of potassium she weighed out.
Round your answer to
3
significant digits.

User Splines
by
7.8k points

1 Answer

3 votes
no of moles= mass/atomic mass

no moles of potassium= 65g/39.8= 1.6moles
User Medel
by
8.9k points
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