Question

how many oxygen atoms are in 4.40g of Al2(so4)3?

Answer 1

I always hated chemistry...

Answer 2

How many grams will be in 1 mole of that solution?

Answer 3

Solve this first:
\[4.40 g Al _{2}(SO _{4})_{3} \times (\frac{ 1 mole Al _{2}(SO _{4})_{3} }{ ? g Al _{2}(SO _{4})_{3} })\]

Answer 4

Then find how many moles of O is in Al2(SO4)3.
How much does that amount of moles weigh in grams?
Then lastly multiply that number with Avogardo's number to determine how many atoms.

Answer 5

ok thanks!!!