Asked by Van M

In a solution of Al2(SO4)3 the Al3+ concentration is .12 M. What mass of Al2(SO4)3 is in 50 mL of this solution. Please explain the steps. Thanks. The Al3+ part confuses me the most.
Answered by DrBob222
If Al^3+ is 0.12M, that means you must have 0.06M Al2(SO4)3. If you want to do it mathematically, then
0.12 M Al^3+ x (1 mole Al2(SO4)3/2 moles Al^3+) = 0.06 M.
Then we know 0.06M means 0.06 moles/L or 0.06 moles/1000 mL. The amount in 50 mL must be
0.06 moles x (50/1000) =?? moles.
Answered by Van M
But since Al3+ is only one Al doesn't it equal the moles of the compound, and Al2 would be .24 M? Basically why is Al3+ considered Al2? Isnt Al3 just the ionic version of Al?
Answered by joy
In a solution of Al2(SO4)3, the Al3+ concentration is 0.12 M. What mass of Al2(SO4)3 is in 50 mL of this solution?
Who can solve please..please help me
Answered by joy
In a solution of Al2(SO4)3, the Al3+ concentration is 0.12 M. What mass of Al2(SO4)3 is in 50 mL of this solution?
email me [email protected] for the answer. I can't pay online tutor ..please help
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