0.255 g sample of H2C2O4 required 25.70 mL of NaOH to neutralize, what would you report as the molarity of NaOH solution? the reaction is as follows:
H2C2O4(aq) +2 NaOH (aq) -> Na2C2O4(aq) +2 HOH (l)

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  1. moles H2C2O4 = grams/molar mass = ??
    Using the coefficients in the balanced equation, convert moles H2C2O4 to moles NaOH. That will be ??moles H2C2O4 x (2 moles NaOH/1 mole H2C2O4) = ??moles H2C2O4 x 2 = xx moles NaOH.
    Then M NaOH = moles NaOH/L NaOH, and round to the appropriate number of significant figures.

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  2. .220 mol per liter

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  3. I agree.

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  4. Thank you!

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