Question

Question #bde90

Answer 1

1.23 moles of `AlCl_3` is roughly 164 grams.

Explanation:

To convert moles to grams, you multiply by the total atomic weight of the molecule. Aluminum’s weight is about 27 g/mol, and chlorine’s is about 35.5 g/mol. Since you have 3 chlorines, you need to add it three times (or just multiply it by three).

27+35.5+35.5+35.5=133.5

Now, multiply 1.23 by this number.

`133.5*1.23~~164`

When going from grams to moles, instead of multiplying by the weight, divide by it :)

Hope this helps!