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Chemistry

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What is the hydronium ion concentration of a buffer solution that is 0.10M NaHPO4 and 0.50M NaH2PO4? For H3PO4,Ka1=6.9x10^-3, Ka2=6.2x10^-8, Ka3=4.8x10^-13

  • Chemistry -

    Use the Henderson-Hasselbalch equation.

  • Chemistry -

    Does it matter which Ka I use?

  • Chemistry -

    Nvm got it ..thanks

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