0.0200 mole of nicotinic acid (a monoprotic acid) is dissolved in 1.000 L ofwater, the pH is measured to be 2.799. Calculate the Ka for nicotinic acid.[HINT: Don't forget the dissociation of H₂O].a) 3.42 x 104b) 4.41 x 10-3C 1.37 x 1041.43 x 10-5e) 2.78 x 10-9f) 1.26 x 104g) 1.86 x 10-7

Step 1:- Given , pH = 2.799 Moles of nicotinic acid dissolved = 0.0200 moles Volume of solution= 1…

Answered: 0.0200 mole of nicotinic acid (a…

Chemistry

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Chapter1: Chemical Foundations

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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= O ACIDS AND BASES Predicting the qualitative acid-base properties of salts Consider the following data on some weak acids and weak bases: name acetic acid hypochlorous acid solution 0.1 M NACIO 0.1 M C5H5NHCI acid 0.1 M NaNO3 0.1 M KCH3CO₂ 0 Explanation formula HCH3CO₂ 1.8 x 10 -5 HCIO Check 3.0 × 10 pH ✓choose one 1 (lowest) 2 Ka 3 4 (highest) choose one X-5 choose one ◊ 7 0 -8 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. ? base K₂ formula pyridine CHN 1.7 x 107 -9 ammonia name + A ALEKS-... NH3 NH3 AN 30 1.8 × 10 -5 tv h MacBook Air Þ G 0/5 Hannah S Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center AO Accessib
5. Calculate the percent ionization of propionic acid (C₂H5COOH) in a solution of 0.250 M propionic acid. Ka = 1.3 × 10-5 for propionic acid. You may use the "small x" approximation.
Construct the expression for Ka for the weak acid, NH,. NH, (aq) + H,O(1)=H,0(aq) + NH,(aq) 1 Based on the definition of Ka, drag the tiles into the numerator or denominator to construct the expression for the given acid. Ko
Please don't provide handwritten solution..... Determine the pH for 0.35M solution of sodium formate, NaCHOO acid, HCOOH. ● Ka for formic acid, HCOOH is 1.80x10-4.
A solution is prepared at 25 °C that is initially 0.059M in methylamine (CH,NH,), a weak base with K=4.4 × 10 , and 0.10M in methylammonium bromide (CH,NH,Br). Calculate the pH of the solution. Round your answer to 2 decimal places. pH = Explanation Check O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy Accessibility 18 MacBook Air esc 吕口 F3 D00 F4 F5 F7 F8 F9 F10
The acid ionization constant, Ka, of a certain weak acid HA equals 1.4 x 10-11. What does Kb for the conjugate base, A- equal? Assume that the temperature equals 25 ˚C.
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Help with the following question please round your answer to 1 decimal place

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0.0200 mole of nicotinic acid (a monoprotic acid) is dissolved in 1.000 L of water, the pH is measured to be 2.799. Calculate the Ka for nicotinic acid. [HINT: Don't forget the dissociation of H₂O]. a) 3.42 x 104 b) 4.41 x 10-3 C 1.37 x 104 1.43 x 10-5 e) 2.78 x 10-9 f) 1.26 x 104 g) 1.86 x 10-7