For trial analyzing a different unknown weak, monoprotic acid, the following data was obtained. Trial 1 Concentration of standardized NAOH titrant 0.1022 mole/L Mass concentration of unknown acid solution 9.55 g/L Measured pH of the unknown acid solution 1.62 Mass of the unknown acid solution 30.21 Initial buret reading 2.30 of NaOH(aq) titrant mL

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Chapter1: Chemical Foundations
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For trial analyzing a different unknown weak, monoprotic acid, the
following data was obtained.
Trial 1
Concentration of
standardized NaOH
titrant
0.1022
mole/L
Mass concentration
of unknown acid
9.55
g/L
solution
Measured pH of the
unknown acid
solution
1.62
Mass of the
unknown acid
solution
30.21
Initial buret reading 2.30
of NaC
titrant
mL
Final buret reading 28.28
of NaOH(aq) titrant
mL
Based on the data, what is the Ką of this unknown weak, monoprotic
acid? Assume the density of the unknown acid solution is 1.00 g/mL.
Round your final answer to 4 decimal places.
Transcribed Image Text:For trial analyzing a different unknown weak, monoprotic acid, the following data was obtained. Trial 1 Concentration of standardized NaOH titrant 0.1022 mole/L Mass concentration of unknown acid 9.55 g/L solution Measured pH of the unknown acid solution 1.62 Mass of the unknown acid solution 30.21 Initial buret reading 2.30 of NaC titrant mL Final buret reading 28.28 of NaOH(aq) titrant mL Based on the data, what is the Ką of this unknown weak, monoprotic acid? Assume the density of the unknown acid solution is 1.00 g/mL. Round your final answer to 4 decimal places.
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