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Chem II

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Find the mass of sodium formate that must be dissolved in 200.00cm^3 of a 1.0M solution of formic acid to prepare a buffer solution with pH=3.40? I have no clue how to work this out. Please help me.

  • Chem II - ,

    If you know how to use the Henderson-Hasselbalch equation that is the way to go. If not, let me know and it can be done another way.

  • Chem II - ,

    Is it something like PH=pKa +log [base]/[acid]

    3.40=??
    How do I find the pKa?

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