Question

calculate the number of mole in 71g of chlorine . ( at mass of cl = 35.5)

Answer 1

2 mole are there in 71 kg of Cl

Answer 2

Hey friend, Harish here.

Here is your answer.


No of moles =  Given mass / Molecular Mass.
  
Given mass = 71 grams

Molecular mass of chlorine = 35.5 u

∴ No of moles = $\frac{71}{35.5}$
      
                       = 2 moles of Cl

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Hope my answer is helpful to u.