How many chloride ions are there in 4.50 mol of aluminum chloride?

1 Answer
MeneerNask
Jun 14, 2016

1 mol aluminium chloride AlCl_3 delivers 3 mol of Cl^- ions.

Explanation:

So 4.50 mol AlCl_3harr3xx4.50=13.50 mol Cl^-

1 mol contains ~~6.02xx10^23 particles, so the answer is:

n_(Cl^-)=13.50xx6.02xx10^23=81.27xx10^23~~8.13xx10^24

(rounded to 3 significant digit because of the 4.50)

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