Homework Help: chem

Posted by amanda78 on Wednesday, November 21, 2012 at 2:52pm.

A sample of potassium hydrogen oxalate, KHC204, weighing 0.717 g, was dissolved in water and titrated with 18.47 mL of an NaOH solution. Calculate the molarity of the NaOH solution.

chem - DrBob222, Thursday, November 22, 2012 at 12:39am
KHC2O4 + NaOH ==> NaKC2O4 + H2O
mols KHC2O4 = grams/molar mass = ?
mols NaOH = mols KHC2O4(see the coefficients in the balanced equation).
Then M NaOH = mols NaOH/L NaOH and solve for M

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