Question

Which of the following have same number of moles? (i) 58.5 g of NaC1 (ii) 23 g of NO2 (iii) 32 g of CH, (iv) 18.25 g of HC1

Answer 1

 (ii) 23 g of NO2  and (iv) 18.25 g of HCI have same number of moles
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 (ii) 23 g of NO2 

mass    no of moles
46     -     6.022 x 10²³
23      -      ?

23 x 6.022 x 10²³
         46

= 3.011 x 10²³
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18.25 g of HCI

mass       no of moles
36.5         -    6.022 x 10²³
18.25        -        ?

18.25 x 6.022
      36.5

= 3.011 x 10 ²³
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Answer 2

Hey mate...

here's ur answer....

Hope it helps❤