Question

What is the molarity of a solution which contains 10.0 mg aluminium ions per cm3 solution?

Thanks to anyone who helps

Answer 1

M = mols/L or mmols/mL

10 mg = 0.010 g
mols Al^3+ = grams/molar mass ?
That many mols in 1 cc = how many mols in 1000 cc? That is the molarity.