Determine the pH (to two decimal places) of the following solutions. A table of pKa values...
Determine the pH (to two decimal places) of the following
solutions. A table of pKa values can be found
here. If the 5% approximation is valid, use the
assumption to compute pH.
6.80×10-3 M butanoic acid
| Tries 0/13 |
9.74×10-1 M formic acid
| Tries 0/13 |
8.47×10-3 M methylamine
| Tries 0/13 |
6.59×10-3 M triethylamine
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Determine the pH (to two decimal places) of the following
solutions. A table of pKa values...
Determine the pH (to two decimal places) of the following solutions. A table of pKa values can be found here. If the 5%...
Determine the pH (to two decimal places) of the following solutions. A table of pKa values can be found here. If the 5% approximation is valid, use the assumption to compute pH. 6.80×10-3 M butanoic acid Tries 0/13 9.74×10-1 M formic acid Tries 0/13 8.47×10-3 M methylamine Tries 0/13 6.59×10-3 M triethylamine
Determine the pH (to two decimal places) of the following solutions. If the 5% approximation is...
Determine the pH (to two decimal places) of the following solutions. If the 5% approximation is valid, use the assumption to compute pH. 8.72×10-3 M sodium hydrogen sulfate pKa hydrogen sulfate ion is 1.92 8.73×10-3 M trifluoroacetic acid pKa trifluoroacetic acid is 0.20 8.20×10-3 M ethylamine pKa ethylammonium ion is 10.87 2.51×10-1 M sodium nitrite pKa nitrous acid is 3.37
Determine the pH to two deci al places of the following solutions. A table of p...
Determine the pH to two deci al places of the following solutions. A table of p a values can be o n ere the 5% approximation svaid use the assumption to compute h 4.18x10 1 M hypochlorous acid ???? ??. Tries 1/3????? 8.91×10-2 M methylammonium chloride ???? Tries 0/3 9.59x101 M sodium lactate ???? Tries 0/3 2.96×10-3 M sodium sulfite ???? Tries 0/3
QUESTION 1 Determine the pH (to two decimal places) of a solution prepared by adding 93.9...
QUESTION 1 Determine the pH (to two decimal places) of a solution prepared by adding 93.9 ml. of 0 271 M formic acid (HCO2H) to 40.3 g of sodium formato (NaCo2H). Assume the volume of the solution does not change and that the 5% approximation is valid The pka of formic acid is 3.75.
I'm drawing a blank as to where to start this question, I've done some working but...
I'm drawing a blank as to where to start this question, I've
done some working but I'm not getting plausible numbers.
Determine solutions. places) of the following solutions. A table of pKa values can be found here. If the 5% approximation is valid, use the assumption to compute pH following 3.25x10 M hydrofluoric acid Submit Answer Tries 0/3 2.63x10-1 M sodium hydrogen sulfate Submit Answer Tries 0/3 1.41x10-2 M sodium phosphate Submit Answer Tries 0/3 4.27x10-3 M sodium acetate Submit...
pKa Conjugate base Acid formula Conjugate base name Acid name F3CCOOH 0.20 F3ccoo trifluoroacetic acid trifluoroacetate...
pKa Conjugate base Acid formula Conjugate base name Acid name F3CCOOH 0.20 F3ccoo trifluoroacetic acid trifluoroacetate ion 13.80 Cl3CCOOH 13.34 0.66 Cl3CCOO trichloroacetic acid trichloroacetate ion HOOCCOOH 1.23 HOOCCOO oxalic acid hydrogen oxalate ion 12.77 Cl2HCCOOH 12.70 dichloroacetic acid 1.30 Cl2HCCOO dichloroacetate ion H2SO3 12.23 1.77 HSO3 sulfurous acid hydrogen sulfite ion 1.92SO42- HSO4 hydrogen sulfate ion sulfate ion 12.08 HCIO2 1.95 CI02 chlorous acid chlorite ion 2.12 H2PO.4 phosphoric acid H3PO dihydrogen phosphate ion 11.88 CIH2CCOOH 2.87 CIH2CCOO 11.13...
Determine the pH of the solution (to 2 decimal points) after the addition of 73.3 mL...
Determine the pH of the solution (to 2 decimal points) after the addition of 73.3 mL of 0.0154 M perchloric acid (HClO4) to 975 mL of 0.0517 M sodium hydrogen citrate (Na2C3H5O(COOH)(COO)2). Assume that the volumes are additive and that the 5% approximation is valid. A table of pKa values can be found here.
A buffer solution is prepared by mixing 23.6 mL of 0.398 M sodium dihydrogen citrate with...
A buffer solution is prepared by mixing 23.6 mL of 0.398 M sodium dihydrogen citrate with 36.6 mL of 0.881 M sodium hydrogen citrate A table of pKa values can be found here 1. Calculate the pH (to two decimal places) of this solution Assume the 5% approximation is valid and that the volumes are additive. Submit Answer Tries 0/3 2. Calculate the pH (to two decimal places) of the buffer solution after the addition of 24.9 mL of a...
Determine the pH of each of the following solutions. Express your answer using two decimal places....
Determine the pH of each of the following solutions. Express your answer using two decimal places. A. 9.90×10−2 M hypochlorous acid. B. 7.9×10−3 M phenol. C. 9.6×10−2 M hydroxylamine.
Determine the pH (to two decimal places) of a solution prepared by adding 239 mL of...
Determine the pH (to two decimal places) of a solution prepared by adding 239 mL of 0.750 M sodium dihydrogen citrate (NaC3H5O(COOH)2COO) to 3.99 g of sodium hydrogen citrate (Na2C3H5O(COOH)(COO)2). Assume the volume of the solution does not change and that the 5% approximation is valid. pKa=4.77
Determine the pH to two deci al places of the following solutions. A table of p a values can be o n ere the 5% approximation svaid use the assumption to compute h 4.18x10 1 M hypochlorous acid ???? ??. Tries 1/3????? 8.91×10-2 M methylammonium chloride ???? Tries 0/3 9.59x101 M sodium lactate ???? Tries 0/3 2.96×10-3 M sodium sulfite ???? Tries 0/3
QUESTION 1 Determine the pH (to two decimal places) of a solution prepared by adding 93.9 ml. of 0 271 M formic acid (HCO2H) to 40.3 g of sodium formato (NaCo2H). Assume the volume of the solution does not change and that the 5% approximation is valid The pka of formic acid is 3.75.
I'm drawing a blank as to where to start this question, I've
done some working but I'm not getting plausible numbers.
Determine solutions. places) of the following solutions. A table of pKa values can be found here. If the 5% approximation is valid, use the assumption to compute pH following 3.25x10 M hydrofluoric acid Submit Answer Tries 0/3 2.63x10-1 M sodium hydrogen sulfate Submit Answer Tries 0/3 1.41x10-2 M sodium phosphate Submit Answer Tries 0/3 4.27x10-3 M sodium acetate Submit...
pKa Conjugate base Acid formula Conjugate base name Acid name F3CCOOH 0.20 F3ccoo trifluoroacetic acid trifluoroacetate ion 13.80 Cl3CCOOH 13.34 0.66 Cl3CCOO trichloroacetic acid trichloroacetate ion HOOCCOOH 1.23 HOOCCOO oxalic acid hydrogen oxalate ion 12.77 Cl2HCCOOH 12.70 dichloroacetic acid 1.30 Cl2HCCOO dichloroacetate ion H2SO3 12.23 1.77 HSO3 sulfurous acid hydrogen sulfite ion 1.92SO42- HSO4 hydrogen sulfate ion sulfate ion 12.08 HCIO2 1.95 CI02 chlorous acid chlorite ion 2.12 H2PO.4 phosphoric acid H3PO dihydrogen phosphate ion 11.88 CIH2CCOOH 2.87 CIH2CCOO 11.13...
A buffer solution is prepared by mixing 23.6 mL of 0.398 M sodium dihydrogen citrate with 36.6 mL of 0.881 M sodium hydrogen citrate A table of pKa values can be found here 1. Calculate the pH (to two decimal places) of this solution Assume the 5% approximation is valid and that the volumes are additive. Submit Answer Tries 0/3 2. Calculate the pH (to two decimal places) of the buffer solution after the addition of 24.9 mL of a...
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