How many atoms are in a sample of 1.83 moles of potassium (k) atoms?

Asked by maham237 @ 25/12/2020 in Physics viewed by 320 People

How many atoms are in a sample of 1.83 moles of potassium (K) atoms?
A) 3.04 × 10-24 atoms K
B) 3.29 × 1023 atoms K
C) 1.10 × 1024 atoms K
D) 6.02 × 1023 atoms K

Answered by maham237 @ 25/12/2020

Avogadro's number
represents the number of units in one mole of any substance. This has the value
of 6.022 x 10^23 units / mole. This number can be used to convert the number of
atoms or molecules into number of moles.

1.83 moles K (6.022 x 10^23 atoms / mole ) = 1.10 x 10^24 atoms K

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