A 25.000 mL aliquot of weak base that has a concentration of 0.30 M will be titrated with 0.80 M HCl. Calculate the pH of of the solution upon the addition of 9.375 mL of HCl. The Kb of the base is 4.6×10-6. Report your answer to the hundredths place

Q: A solution contains 0.459 M sodium cyanide and 0.269 M hydrocyanic acid. The pH of this solution is

A: Given [NaCN]=0.459M [HCN]=0.269 PH =PKa+log( [NaCN] / [HCN] ) Ka= 6.2*10-10   ( from data ) PKa=…

Q: In titrating 40.0 ml of 0.10 M of HCI solution with 0.15 M of KOH solution, what would be the pH of…

A: Given: Concentration of HCl = 0.10 M Volume of HCl solution used = 40.0 mL = 0.040 L…

Q: 1) Determine the Ka of a weak monoprotic acid. .00020 mole are dissolved in 100.0 mL solution. 20.0…

A:

Q: Hundred mL of 0.2 M HCl is titrated with 0.5 M NaOH, the pH when 20.0 mL of NaOH has been added is *

A: The given data contains, Volume of HCl = 100 ml. Molarity of HCl = 0.2 M. Molarity of NaOH = 0.5 M.…

Q: A buffer solution contains 0.210 M ammonium bromide and 0.419 M ammonia. If 0.0177 moles of…

A: we have to calculate the pH of solution

Q: 16.11 Calculate the pH of the buffer system made up of 0.15 M NH3/0.35 M NH4Cl.

A: Pkb of NH3 is taken from appendix as 4.74.

Q: A solution contains 0.408 M sodium acetate and 0.145 M acetic acid. The pH of this solution is

A:

Q: What is not correct in computing for the buffer capacity, if an additional acid is added a. The…

A: Buffer capacity is the amount of acid or base that it can effectively neutralize.

Q: A buffer mixture of a different weak acid and its sodium salt is used in many shampoos. Name the…

A: In shampoos different buffer solution are used, which one is - citric acid and its sodium salt…

Q: How many moles of potassium hydroxide would have to be added to 150 mL of a 0.313 M hydrocyanic acid…

A: Given,Molarity of HCN ( Hydrocyanic acid ) = 0.313 Mvolume of HCN solution = 150 mLpH = 9.450Note:…

Q: solution that is 0.185M in CH3NH2 and 0.105M in CH3NH3Br Calculate the pH?

A: Answer:- given solution is made of weak base and Salt of weak base with strong acid.So this is basic…

Q: unexciting monoprotic acid (HBob) is made by adding 0.133 mol of HBob inot 0.100 L of solution. The…

A: Given, Moles of acid = 0.133 mol Volume of acid = 0.100 L Molarity of Acid(C) = mole/volume      C =…

Q: It is a common practice to prepare buffer of different pH values from a single acid. Select a single…

A: Firstly this is a very relative question, that will be needing data values. A buffer is effective in…

Q: A 27.69 mL aliquot of weak acid that has a concentration of 0.648 M will be titrated with 0.33 M…

A: Since, you have posted multiple questions, we will answer the first the first one. If you want any…

Q: Determine the pH of a solution that is prepared by mixing 5.0mL hcl solution and that has 20% hcl by…

A: The question is based on the concept of the pH of the solution.It is defined as a negative logarithm…

Q: A buffer solution contains 0.385 M ammonium chloride and 0.444 M ammonia. If 0.0433 moles of…

A: Kb for NH3 = 1.8×10-5

Q: An analytical chemist is titrating 107.8 ml. of a 0.1900M solution of dimethylamine ((CH,) NH) with…

A:

Q: Designing a buffer solution with a specific pH In this activity you will be using the virtual lab to…

A: A buffer is a solution which resists any change in pH on adding a small amount of acid or base.  It…

Q: The antacid TUMS was titrated using 0.3 m HCl. The buret reading was initally 0.53ml. After reaching…

A: Volume of HCl = Final reading of buret - Initial reading of buret Given that: Initial reading of…

Q: Determine whether the following solution when mixed would result in a buffer solution. Why or why…

A: No, they will not form a buffer solution.  What made a buffer solution?  A buffer solution contains…

Q: What is pH of 200. mL of 0.25 M CHOONa solution after addition of ... The pka of the conjugate acid…

A: The objective of this question is to calculate the pH of a solution of sodium acetate (CH3COONa)…

Q: Calculate the molarity determined by titration of the HCl solution. HCl volume = 5ml NaOH…

A: Given that, equivalence titration has;  Volume of HCl solution, V1= 5mL Molarity of HCl solution, M1…

Q: Consider the titration of 25.00 mL of 0.100 M nitric acid HNO3 with the 0.100 M KOH. Compute the…

A:

Q: A 40.0 mL volume of 0.100 M HCl is titrated with 0.100 M NaOH. Part A Calculate the pH of the…

A: The balanced chemical reaction between NaOH and HCl is      NaOH(aq) + HCl(aq) →  NaCl(aq) + H2O(l)…

Q: which of the following could be added to a 0.10 M solution of Sodium acetate to prepare a buffer? a)…

A: Buffer solutions are important in various chemical and biochemical processes because they help…

Q: A buffer solution contains 0.451 M hypochlorous acid and 0.263 M sodium hypochlorite. If 0.0210…

A: Given, strength of hypochlorous acid - 0.451 Mstrength of sodium hypochlorite - 0.263 Mstrength of…

Q: In an acid-base titration,21.16 mL an NaOH solution are needed to neutralize 20.04 of a 01.0997 M…

A:

Q: This is a buffer solution composed of 20 mL of NAOH solution  and 40 mL of acetic acid solution…

A:

Q: The pH of a solution that contains 1.2M acetic acid and 0.920M sodium acetate is?

A: pH of weak acid = 4.63.

Q: Calculate the pH of a 0.20 M NH,/0.20 M NH,CI buffer after the addition of 25.0 ml of 0.10 M HCI to…

A: Here we required to find the pH of the buffer of ammonia and ammonium chloride

Q: A 50.000 mL aliquot of weak base that has a concentration of 0.285 M will be titrated with 0.684 M…

A: Given that,  Volume of 0.285 M weak base = 50.0 mL = 0.05 L Moles of weak base given = 0.285 M×0.05…

Q: A 100.0 mL of 0.1 M HCI solution is mixed with a 50.0 mL of 0.1 M of KOH solution. The resultant…

A:

Q: When a buffer is used in an experiemnt does the buffer action last over the entire pH range? Why or…

A: The effectiveness of a buffer in maintaining a stable pH depends on its buffering capacity, which is…

Q: Suppose you want to make a CH3COOH/CH3COO- buffer solution with a pH of 5.60 the acetic acid…

A: From the given data  pH = 5.60  Concentration [acid] = 0.10 M   pKa of acetic acid is fixed that is…

Q: Please help answer this question Fill in the blanks below with a maximum of two words in each space…

A: Buffer solution is an equimolar mixture of weak acid and its conjuagate base or weaker base and its…

Q: At what point will a  buffer solution cease to moderate changes in pH? a. Only after all the acid or…

A: A buffer solution is the mixture of weak acid or base with their respective salts. They exhibit…

Q: A solution contains 0.328 M ammonium bromide and 0.498 M ammonia. The pH of this solution is

A:

Q: Calculate the expected pH based on how the solution was prepared, again allowing for any dilution…

A: pH of a buffer solution can be calculated by using Henderson Hasselbalch equation, according to…

Q: Calculate the pH of the resulting solution if 34.0mL of 0.340 M HCl (aq) is added to 44.0 mL of…

A: Molarity of HCl solution= 0.340 M  Volume of HCl = 34.0 mL Molarity of NaOH solution=0.390 M Volume…

Q: A 32.19 mL aliquot of weak base that has a concentration of 0.557 M will be titrated with 0.493 M…

A: Since you have posted multiple questions we will solve only first question for you, to get other…

Q: in acid-base titration 50.0 mL of a solution of sodium hydroxide is neutralized by exactly 12.50 mL…

A: We know that for acid base titration of H2SO4 and NaOH H2SO4 is dibasic. So, 2M1V1 = M2V2 M1 =…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: Part 2: Explanation:In the given titration scenario, we are titrating 30.0 mL of 0.25 M HNO3 with…

Q: Discuss the effect of a buffered solution vs. An unbuffered solution(water) when a strong acid or…

A: Buffered solution :Buffer solution contains a weak acid and its conjugate base or the weak base and…

Q: A compound has a place of 7.4. To 100mL of 1.0 solution of this compound at 8.0 is added 30mL of 1.0…

A: You didn't write question clearly. A compound has a pka of 7.4. to 100 ml of a 1.0 m solution of…

Q: To a 50 mL of 0.1 M HCL solution, 10 mL of 0.1 M NaOH is added and the resulting solution is diluted…

A:

Q: Which of are neutral salts? ☐RbF Ca(OH)2 NH4Cl RbNO3 CaCl₂ HF

A: In chemistry, neutral salts are a category of chemical compounds that, when dissolved in water, do…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.