ca6i7BardShShystytai ca6i7BardShShystytai
  • 24-11-2016
  • Chemistry
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How many molecules are in 25 grams of NH3??

Respuesta :

andriansp andriansp
  • 25-11-2016
First you should find no of mole.
a mole is a measurement of the number of number of grams in which there are 6.02 x 10^23 atoms/molecules of a substance.

1.468 moles of NH3 in 25 grams.
(25/17.0306) 1.468 x (6.02 x 10^23) = 8.837 x 10^23 molecules.

hope this help
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