CaytlinF157577 CaytlinF157577
  • 03-11-2022
  • Chemistry
contestada

Calculate the number of molecules in 8.21 x 10^-2 moles in (NH4)2Cr2O7

Respuesta :

LaseanV57949 LaseanV57949
  • 03-11-2022

Answer

4.94x10^22 molecules

explanation

to calculate the number of molecules in 8.21x10^-2 moles ca be determined by using Avogadros number

we know that

1 mol has 6.022x10^23 molecules

therefore,

8.21x10^-2 moles have:

(8.21x10^-2) x (6.022x10^23)

= 4.94x10^22 molecules

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