Homework Help: chemistry

Posted by cheri on Thursday, September 13, 2012 at 5:21pm.

When 0.025 moles of aluminum sulfate are
dissolved in enough water to make 115
milliliters of solution, what is the molarity
of sulfate ions?
Answer in units of M

chemistry - DrBob222, Thursday, September 13, 2012 at 6:19pm
M = mols/L soln = 0.025 mols/0.115 L soln = ? = M Al2(SO4)3
Then M SO4^2- is 3x that.

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