Verified Answer :

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Final answer:

To find the number of grams of HCl needed for 2.7 mol, multiply 2.7 mol by the molar mass of HCl (36.5 g/mol) to get 98.55 grams of HCl.


Explanation:

To find the number of grams of HCl needed for 2.7 mol, use the molar mass of HCl (36.5 g/mol):

  1. 2.7 mol HCl x 36.5 g/mol = 98.55 g of HCl

Therefore, 98.55 grams of HCl should be weighed.


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