If I want to create a solution with #\text{Fe}^{+3}=0.2\ \text{M}# using #5\ g# of #"Fe"_2"O"_3#, how many #"mL"# of water must I add?
1 Answer
Apr 2, 2018
Explanation:
Molar mass of
Moles of
#"Fe"_2"O"_3 -> 2"Fe"^(3+) + 3"O"^(2-)#
#"Molarity" = "Moles of solute"/"Volume of solution (in litres)"#
For