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dezoksy [38]
3 years ago
10

How many moles is 1.50x10^23 molecules of NH3?

Chemistry
2 answers:
S_A_V [24]3 years ago
8 0

 The   number  of moles that are  1.50  x10^23  molecules of NH3  are  

 =0.249 moles


       <u><em> calculation</em></u>

 The number of  moles is calculated  using  Avogadro's  law  constant

that  is  According  to Avogadro's  law

                         1  moles  of a  substance = 6.02 x10^23  molecules

                                    ?    moles                =  1.50  x10^23  molecules


by  cross  multiplication


= [( 1.50  x 10^23  molecules  x  1 moles) / (6.02 x10^23)]  = 0.249  moles

Annette [7]3 years ago
5 0
The value for Avogadro's number is 6.022 x 10^23 molecules/mol

To get the number of moles of NH3 from 1.50 x 10^23 molecules of NH3, we will just solve like this;

(1.50 x 10^23 molecules)  ÷  6.02 x 10^23 molecules/mol = 2.49 x 10^22 mol NH3

Therefore, the number of moles of NH3 is 2.49 x 10^23.
                                                                                           
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