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How many atoms are in 131.97 liters of water vapor at STP?

1 Answer

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1 mole --------- 22.4 L at ( STP )
? moles ------- 131.97 L

131.97 x 1 / 22.4 => 5.8915 moles

Therefore:

1 mole ------------- 6.02x10²³ atoms
5.8915 moles ----- ??

5.8915 x ( 6.02x10²³) / 1 =

= 3.5448x10²⁴ atoms
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