Q:

A chemist weighed out 101. g of potassium. Calculate the number of moles of potassium she weighed out.Round your answer to 3 significant digits.

Accepted Solution

A:
 The answer is 2.58 moles potassium
The solution to this is,
to find moles, convert grams to mole by the equation
grams(mole/gram)=moles
101. g of potassium(1 mole potassium/39.10 g potassium)=2.58 moles potassium