How many moles of potassium iodide, KCI, are there in 50 grams?

1 Answer
A.Raz
Apr 10, 2017

0.7 mols

Explanation:

To get our answer we just need to do some stoichiometry:
The molar mass of KCl is 74.55 #g/(mol)#

50 grams KCl #(1 mol KCl) /(74.55 g)= .6707 mols KCl#

As presented this problem is rounded to 1 sig fig since 50 grams is 1 sig fig.

Thus the rounded answer would be 0.7 mols

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