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calculate the mass of NaOH neded to prepare 500mL of a 0.10 M solution.
I'm pretty sure the answer is 2g, but how do I get to that?

Another question:

calculate the molar amount of KHP used to neutralize the NaOH solution.

.51 g of KHP was added to 50 mL of distilled H2O and a total of 29.1mL out of 50mL of NaOH was added to that through a buret in a titration lab.

  • chemistry -

    blah blah blah just checking if my question has made it on the site yet.

  • chemistry -

    For the KHP question.
    Convert 0.51 g KHP to mols. mols = g/molar mass.

    You don't ask a question but I assume you want to know the molarity of the NaOH.
    Mols KHP = mols NaOH.
    mols NaOH = L x M. YOu have mols NaOH and L NaOH. Calculate molarity NaOH.
    Post yuor work if you get stuck.

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