Measurement of the pk, of an unknown acld by the half-neutralization method 0.1029 mol/L Concentration of standardized N

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Measurement Of The Pk Of An Unknown Acld By The Half Neutralization Method 0 1029 Mol L Concentration Of Standardized N 1 (43.24 KiB) Viewed 15 times

Measurement of the pk, of an unknown acld by the half-neutralization method 0.1029 mol/L Concentration of standardized NaOH titrant Trial 1 Trial 2 8 ml ml Mass of unknown acid solution 29.91 8 30.01 Volume of NaOH added to half-neutralize the unknown acid 4.9 4.7 Measured pH of half-neutralized solution 4.16 4.20 Average pH value 4.18 рк, K Calculate the (H30*) and the concentration of A and HA, In the half-neutralized solution. (Note: In this solution, [H,0+1 [A").) : MA MH,O* MHA Comparing both the calculated molar mass and the tonization constant, which acid in Table 6 of the Appendix is the unknown acid most likely to be? Give the molar mass and pK, for the unknown acid that you measured: Give the molar mass and K, for the acld listed in Table 6 of the Appendix that you think is the same as your unknown acld.