If you have 0.20 M acetic acid and 0.20 M sodium acetate, how can you make a buffer with pH about 4.74  (ka for acetic acid is 1.8*10^ -5 )

Q: A buffer that contains 0.40 M base, B, and 0.25 M of its conjugate acid, BH+, has a pH of 8.88. What…

A: The pH after 0.0020 mol of HCl is added to 0.25 L of this solution has to be given,

Q: What is the strategy to calculate how the pH of the buffer responds to the addition of a strong acid…

A: The strategy used to calculate the pH of the buffer responds to the addition of a strong acid or a…

Q: A chemistry graduate student is given 250. mL of a 0.50M chloroacetic acid (HCH,CICO,) solution.…

A: A numerical problem based on Henderson equation, which is to be accomplished.

Q: A buffer consisting of lactic acid and sodium lactate has the pH = 4.30. Given that the…

A: Consider the given information is as follows;            Concentration of lactic acid = 0.12 M…

Q: How many grams of solid sodium cyanide should be added to 1.00 L of 0.116 M hydrocyanic acid…

A: Given-> Volume of HCN = 1.00 L Molarity of HCN = 0.116 M pH = 9.990  Ka(HCN) = 4.00 × 10-10

Q: How many grams of solid ammonium chloride should be added to 2.00 L of a 0.221 M ammonia solution to…

A:

Q: What must the ratio of acetic acid to acetate ion be to have a buffer with a pH value of 5.00?

A: acetic acid is weak acid Acetic acid ka =1.8×10-5 Salt of acetic acid  is CH3COONa

Q: A buffer is created by combining 140.0 mL of 0.20 M HCHO2 with 80.0 mL of 0.25 M NaOH. Determine the…

A: GivenVolume of acid = 140.0 mLMolarity of acid= 0.20MVolume of NaOH= 80.0mLMolarity of NaOH= 0.25M

Q: A buffer is created by combining 150.0 mL of 0.25 M HCHO2 with 75.0 mL of 0.20 M NaOH. Determine the…

A: A buffer solution that is 0.25 M of formic acid and 0.20 M NaOH

Q: How much 5.50M NAOH must be added to 450.0 ml of a buffer that is 0.0180 M acetic acid and 0.0250 M…

A: Given CH3COOH(aq)+OH-(aq)→CH3COO-(aq)+H2O(l) We know that pKa= 4.75 pH=5.75 For the 0.0265M sodium…

Q: How many grams of solid sodium acetate should be added to 2.00 L of a 0.103 M acetic acid solution…

A: This problem is based on Handersen-Hasselbalch equation. Using this equation the concentration of…

Q: How many grams of hydrofluoric acid, HF, should you add to a 1.65 L of a 2.65 M sodium fluoride…

A: Given: pH = 3.45 pKa = 7.1 x 10-4 Volume, V (NaF) = 1.65 L Molarity, M (NaF) = 2.65 M The strong…

Q: What quantity in moles of NaOH need to be added to 200.0 mL of a 0.200 M solution of HF to make a…

A: Henderson-Hasselbach equation: pH= pKa + log [base]/[acid]. pKa = -log Ka Given, Ka of HF = 6.8…

Q: How many grams of solid ammonium chloride should be added to 0.500 L of a 5.30×10-2 M ammonia…

A: This problem can be solved by using Handersen-Hasselbalch equation for weak base.

Q: Calculate the pH of a buffer that is 0.12 M in lactic acid and 0.11 M in sodium lactate. (Ka = 1.4 ×…

A: Given :-  concentration of lactic acid solution = 0.12 M  concentration of sodium lactate = 0.11 M…

Q: A chemistry graduate student is given 125. mL of a 1.50M diethylamine ((C,H, NH solution.…

A: A buffer solution is formed by the mixing of a weak acid and its conjugate base, or weak base and…

Q: How many grams of solid sodium cyanide should be added to 1.50 L of 0.172 M hydrocyanic acid…

A: The given data contains, Volume of HCN =1.50 LMolarity of HCN =0.172 MpH =8.570

Q: A chemistry graduate student is given 100. mL of a 0.50 M pyridine (CH,N) solution. Pyridine is a…

A:

Q: A chemistry graduate student is given 450. mL of a 0.30 M chloroacetic acid (HCH,CICO,) solution.…

A: The Reaction involved in this process is as follows: HCH2ClO2 ⇌ CH2ClO2- + H+ Pka = - log KaKa = 1.3…

Q: What is the pH for a buffer made of 0.214 MNH 3 and 0.107 MNH 4 Cl ? K b for NH 3 is 1.8 * 10 ^ - 5…

A: Given data is as follows: The concentration of NH3 = 0.214 M The concentration of NH4Cl = 0.107 M…

Q: How many grams of solid ammonium bromide should be added to 1.50 L of a 0.106 M ammonia solution to…

A: From the relation, pOH is calculated as,

Q: 2. Phenol (C6H5OH) has a Ka of 1.6*10-10. Starting with a 100.0 mL solution that is 0.300 M phenol,…

A: Given that : Volume of C6H5OH=100mLIts concentration=0.300 MpH = 10Ka of C6H5OH=1.6×10-10So,…

Q: How many grams of solid sodium hypochlorite should be added to 2.00 L of a 9.04×10-2 M hypochlorous…

A: In the given question we have to calculate the gram of sodium hypochlorite to prepare the buffer…

Q: How many moles of NaOH need to be added to 200.0 mL of a 0.200 M solution of HF to make a buffer…

A: The given problem can be solved by using Henderson-Hasselbalch equation as; pH=pKa+log SaltAcid…

Q: Calculate the pH of a buffer composed of 0.12 M benzoic acid and 0.20 M sodium benzoate.

A: From the Henderson Hasselbalch equation pH = pKa + log saltacid for benzoic acid ka=6.3 x 10-5…

Q: How many grams of solid ammonium chloride should be added to 1.00 L of a 0.107 M ammonia solution to…

A: Calculate the value of pKa by using Kb value of ammonia,

Q: How many grams of solid ammonium bromide should be added to 2.00 L of a 0.151 M ammonia solution to…

A: The pOH of the basic buffer solution is determined using the Henderson-Hasselbalch equation- pOH =…

Q: 1. What is the pH of a buffer that contains 0.15 M CH,COOH and 0.10 M NACH,COO (K, = 1.8 x 10 )?

A: 1) Given, Concentration of CH3COOH solution = 0.15 M [CH3COOH] = 0.15 M Concentration of NaCH3COO…

Q: How many moles of HCl need to be added to 200.0 mL of a 0.200 M solution of NaF to make a buffer…

A: Buffer is a solution which resists the change in pH of a solution by the addition of acid or base.…

Q: How many grams of solid sodium fluoride should be added to 0.500 L of a 0.185 M hydrofluoric acid…

A:

Q: A chemistry graduate student Is glven 500. mL of a 1.60M propanolc acid (HC, H CO,) solutlon.…

A:

Q: A buffer solution that is 0.471 M in HCN and 0.471 M in NaCN has a pH of 9.40. The addition of 0.01…

A:

Q: The Henderson-Hasselbalch equation relates the pH of a buffer to the relative concentrations of the…

A: Buffer solution is prepared, when an strong base is added into weak acid solution then resulting…

Q: How many grams of solid sodium fluoride should be added to 2.00 L of a 9.37x10 M hydrofluoric acid…

A:

Q: A 1.00 L solution contains 14.52  g of nitrous acid, HNO2. What mass of sodium nitrite, NaNO2,…

A: pH of buffer = 3.06 Concentration of HNO2 = (14.52g/47g)÷ 1L…

Q: How many grams of solid ammonium bromide should be added to 1.50 L of a 0.162 M ammonia solution to…

A:

Q: What is a pH of a buffer that is 0.150 M dimethylamine and 0.100 M dimethylammonium chloride at 25…

A: Given: The concentration of dimethylamine, [Base]=0.150 M The concentration of dimethylammonium…

Q: A chemistry graduate student is given 250. mL of a 0.30M chloroacetic acid (HCH,CICO,) solution.…

A: We have to calculate the mass of salt added.

Q: what volume of Boric acid 0.1 M and what volume of sodium hydroxide 0.1 M should be added together…

A: Step 1: Here, the amount of desired buffer solution is not given so it should be assumed as 100mL (…

Q: How many moles of HCl need to be added to 200.0 mL of a 0.200 M solution of NaF to make a buffer…

A:

Q: How many grams of solid ammonium bromide should be added to 2.00 L of a 0.268 M ammonia solution to…

A:

Q: How many moles of NaOH need to be added to 200.0 mL of a 0.200 M solution of HF to make a buffer…

A:

Q: How many grams of solid ammonium chloride should be added to 2.00 L of a 5.44x10 M ammonia solution…

A: A buffer is a solution that can accept protons (by conjugate base) and donate protons (by acid) at…

Q: How many grams of solid potassium cyanide should be added to 1.50 L of a 0.217 M hydrocyanic acid…

A: We would use hende Hasselbalch to to calculate the grams of potassium cyanide needed.

Q: A chemistry graduate student is given 125. mL of a 1.30M dimethylamine ((CH,) NH) solution.…

A: Buffer solution:  It is a special type of mixture of a weak acid or a weak base and its conjugate…

Q: Calculate the pH of a buffer consisting of 0.50 M HF and 0.45 M KF before and after the addition of…

A:

Q: How many grams of solid calcium cyanide, Ca(CN)₂ must be added to 200.0 ml of 0.370M hydrocyanic…

A: Molarity of HCN = 0.370 M pH = 9.20

Q: Calculate the pH after the addition of 0.0050 mol of NaOH to the buffer in 9.1.4. (0.200 M NH4Cl -…

A:

Q: A chemistry graduate student is given 125. mL of a 1.30 M acetic acid (HCH,CO,) solution. Acetic…

A: Handerson Hasselbalch equation –  Buffer solution is mixture of weak acid and its conjugate base.…

Q: How many grams of solid sodium cyanide should be added to 1.50 L of a 0.233 M hydrocyanic acid…

A:

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.