Previous Work... Question to be answered: what is the molarity of NaOH in the bu

Question

Previous Work... Question to be answered: what is the molarity of NaOH in the buret?

How many moles of NaOH were used to reach the endpoint? Think about the balanced chemical equation for the neutralization reaction between HCI and NaOH! Remember, you calculated the number of moles of HCL present initially. NaOH + HCL NaCL + H2O = 10.00/1000 times 0.1106 = 0.001106 mol or 1.106 millimole What is the molarity [moles per liter of solution) of the NaOH in the buret? In part 2 of this you will use the standardized NaOH solution in a titration with H2SO4 of unknown concentration. Balanced chemical equation for this reaction:

Explanation / Answer

Using, M1V1 = M2V2 10.0 x 0.1106 = M2 x 13.64 M2 = Molarity of NaOH = 0.081 M

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