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.

asked Jul 7, 2017 210k views

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.

7.8k points

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3 votes

no of moles= mass/atomic mass

no moles of potassium= 65g/39.8= 1.6moles

Medel answered Jul 11, 2017

by Medel

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