CaytlinF157577 CaytlinF157577

03-11-2022
Chemistry

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

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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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