Chemistry
Chemistry, 21.07.2019 11:30, smandylee123

30 ! acid: pka: h20 15.7 nh3 38 hcl -8 nh4+ 9.2 given the list of pka values, which acid will have the largest amount of conjugate base present in the solution at equilibrium? h2o nh3 nh4+ hcl

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Chemistry, 27.06.2019 12:50, Cocco
Several acids are listed here with their respective equi- librium constants. hf(aq) + h2o(l) uv h3o+(aq) + f−(aq) ka = 7.2 × 10−4 hpo42−(aq) + h2o(l) uv h3o+(aq) + po43−(aq) ka = 3.6 × 10−13 ch3co2h(aq) + h2o(l) uv h3o+(aq) + ch3co2−(aq) ka = 1.8 × 10−5 (a) which is the strongest acid? which is the weakest acid? (b) what is the conjugate base of the acid hf? (c) which acid has the weakest conjugate base? (d) which acid has the strongest conjugate base?
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Chemistry, 28.06.2019 09:10, hilljade45
Which of the following best describes a bronsted-lowry acid-base reaction? o a acid + conjugate acid = base + conjugate base o b acid + conjugate base = base + conjugate acid o c acid + base = conjugate base + conjugate acid o acid + base = metal + nonmetal
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Chemistry, 10.07.2019 10:30, stacy99
The useful buffer range is defined by the equation ph = pka ± 1 calculate the range of the ratio of [conjugate base]/[acid] that corresponds to this equation. 0 ≤ [conjugate base]/[acid] ≤ 1 10 ≤ [conjugate base]/[acid] ≤ 1.0 0.1 ≤ [conjugate base]/[acid] ≤ 10 10 ≤ [conjugate base]/[acid] ≤ 100 1.0 ≤ [conjugate base]/[acid] ≤ 10
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Chemistry, 31.07.2019 11:00, vrw28
Be sure to answer all parts. identify and label the species in each reaction. (a) nh4+(aq) + h2o(l) ⇌ nh3(aq) + h3o+(aq) acid base acid base conjugate acid conjugate base conjugate acid conjugate base (b) cn−(aq) + h2o(l) ⇌ hcn(aq) + oh−(aq) acid base acid base conjugate acid conjugate base conjugate acid conjugate base
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30 ! acid: pka: h20 15.7 nh3 38 hcl -8 nh4+ 9.2 given the list of pka values, which acid wil...

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