Posted by KELLY on Sunday, October 3, 2010 at 3:06pm.
I think you made a typo in the question. You were given unknown solns of HCl and H2SO4?
HCl + NaOH ==> NaCl + H2O
moles NaOH = M x L
moles HCl = same (since equation shows 1:1).
M HCl = moles/L
H2SO4 + 2NaOH ==> Na2SO4 + 2H2O
moles NaOH = M x L
moles H2SO4 = 1/2 moles NaOH (look at the equation).
M H2SO4 = moles/L
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