A solution is made by mixing 0.400M in formic acid, HCOOH, and 1.00M in sodium formate, HCOONa? Ka=1.80x10-4. The total volume is 1.00L. What is the pH of this solution upon the addition of 0.075moles of HCl?

Q: You add 5.00 mL of 0.100 M NaOH to 25.00 mL of pure water, and to this mixture you then add 10.00 mL…

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Q: 75.0 ml of 0.0200M Ca(OH)2 solution is combined with 100.0 ml of 0.0150M NaOH solution.  Calculate…

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Q: A1 liter solution is made by adding 0.8603 moles NaH2PO4 and 0.4973 moles Na2HPO4. What will be the…

A: Given, NaH2PO4 = 0.8603 mol Na2HPO4 = 0.4973 mol [HCl] = 6.0287 M VHCl = 1.5857 mL = 0.0015857 L

Q: A solution is made by mixing 0.400M in formic acid, HCOOH, and 1.00M in sodium formate, HCOONa?…

A: Given: Concentration of HCOOH = 0.400 M Concentration of HCOONa = 1.00 M Volume of solution = 1.00 L…

Q: A solution is prepared by dissolving 0.89 mol of a weak base in 1.00 L of water. The resulting pH at…

A: Dissociation of a weak base and pOH calculation

Q: A weak base has Kb=3.2×10−6. The compound has a solubility of 1.667gL, and the molar mass is…

A: Equation for Base:

Q: a) A student mixed 200 mL of 0.15 M ammonium chloride, NHẠCI with 200 mL of 0.23 M ammonia solution,…

A: Kb for NH3 = 1.8 × 10–5  Ka for NH4+ = 1×10–14/Kb =1×10–14/(1.8 × 10–5 ) = 5.56 × 10–10 The solution…

Q: If a buffer solution is 0.170 M in a weak base (Kb = 4.2 × 10-5) and 0.490 M in its conjugate acid,…

A: Buffer solution: It is an aqueous solution which contains a mixture of a weak base and its conjugate…

Q: When 25.0 mL of 0.300 M hydrobromic acid and 25.0 mL of 0.300 M ammonia are combined, the pH of the…

A: pH of resulting solution will depend upon nature of resulting solution either acidic or basic.

Q: Calculate the pH of the resulting solution when 20.0 mL of 0.150 M formic acid (Ка%3D 1.80 х 104) is…

A: Note : As per guideline if multipart questuion only 3 subparts allowed , please post it seperately ,…

Q: A solution is prepared that is initially 0.0010 M NaOH and 0.10 M NH3. What is the pH of this…

A: [NaOH] =0.001 M [NH3] = 0.10M

Q: 1) Calculate the pH of a solution prepared by dissolving 1.00 g of sodium acetate, CH3COONa, in 50.0…

A: Given, concentration of acetic acid : 0.15 M Mass of sodium acetate : 1.00 gm Volume of solution :…

Q: Calculate the pH of a mixture containing 0.266 mol HBz and 0.124 mol NaBz dissolved to 500.0 mL with…

A: Answer:- This question is answered by using the simple concept of calculation of pH of the solution…

Q: Which of the following will raise the pH of a strong acid HA in aqueous solution? I addition of…

A: I) Since HA is a strong acid  hence it will dissociate completely into H+ and A- ions And since pH =…

Q: When 42.6 mL of 0.100 M Ba(OH)2 is mixed with 98.6 mL of 0.200 M HCI, the reaction goes to…

A: A numerical problem based on pH concept, which is to be accomplished.

Q: You have 500mL of a solution 0.3 M acetic acid (Ka= 1.74x10^-5 M). The pH of the solution before and…

A: We have to calculate the pH after addition of base.

Q: Calculate the pH of a solution formed by adding 3.00 grams of solid sodium azide, NaN₃, to 310.0 ml…

A: Buffer is the solution of mixture of weak acid/weak base with its salt of strong base/strong acid

Q: Calculate the pH of a solution formed by adding 9.00 grams of solid sodium formate, NaCHO₂, to 350.0…

A:

Q: If a buffer solution is 0.260 M in a weak base (Kb=8.4×10−5) and 0.480M in its conjugate acid, what…

A:

Q: 1. The pH of a buffer solution containing 0.5 mole/litre of CH:COOH and 0.5 mole/litre CH.COONA has…

A:

Q: When 25.0 mL of 0.400 M hydrobromic acid and 25.0 mL of 0.400 M potassium nitrite are combined, the…

A: Given that: the volume of hydrobromic acid= 25.0 mL = 0.025 L molarity of hydrobromic acid= 0.400 M…

Q: If a buffer solution is 0.140 M in a weak base (Kb= 1.8*10^-5) and 0.590 M in its conjugate acid,…

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Q: The pH of 300 mL solution made of 0.58 M acetic acid and 0.60 M potassium acetate is (K - 1.8 x 105)…

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Q: ACID-BASE EQUILIBRIA Doc Jill wants to determine the Ao of a weak acid she isolated called…

A:

Q: How many grams of dry NH4C1 need to be added to 2.50 L of a 0.800 M solution of ammonia, NH3 , to…

A: NH3 + NH4Cl forms a basic buffer. For a basic buffer:  pOH = pKb + log c2/c1 pH + pOH = 14

Q: 1.35 L buffer solution consists of 0.331 M propanoic acid and 0.114 M sodium propanoate. Calculate…

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Q: A solution is formed by adding 6.00 grams of solid potassium acetate, KC₂H₃O₂, to 200.0 ml of…

A: Answer: Basic nature of the solution will be the outcome of the hydrolysis of acetate ion which will…

Q: 1) In the laboratory, a general chemistry student measured the pH of a 0.554    M aqueous solution…

A:

Q: Addition of phenolphthalein to an unknown colorless solution does not cause a color change. The…

A: Phenolphthalein and bromothymol blue are pH indicator. They ae widely used in titrations and testing…

Q: Calculate the pH of a solution formed by mixing 250.0 mL of 0.15 M NH4Cl with 100.0 mL of 0.20 M…

A: Henderson – Hasselbalch equation is used to calculate the pH of a buffer solution. A buffer solution…

Q: What is the pH of a sodium acetate (NaCH3CO2) solution prepared by adding 0.820 g of sodium acetate…

A: Given: Mass of sodium acetate = 0.820 g Volume of water             = 100.0 mL Ka of acetic acid…

Q: A solution is formed by adding 3.60 grams of solid barium cyanide, Ba(CN)₂, to 250.0 ml of 0.170M…

A: To calculate the pH of the solution , we would first Calculate total concentration of CN- from both…

Q: What pH would be measured from a solution that is made by mixing 100.0 mL of 0.050 M NaC2H3O2 and…

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Q: An aqueous solution contains 0.397 M ammonia. Calculate the pH of the solution after the addition of…

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Q: A solution is prepared by mixing 50.0 mL of 0.200 M acetic acid with 50.0 mL of 0.100 M HCl. For…

A: Given: Concentration of acetic acid (CH3COOH) = 0.200 M                      Volume of acetic acid…

Q: Consider a solution formed by mixing 50.0 mL of 0.100 M H2SO4, 30.0 mL of 0.100 M HOCl, 25.0 mL of…

A: First step is to find out total volume  Total volume = 50 mL + 30 mL + 25 mL + 25 mL + 10 mL = 150…

Q: 10010 ml, 0.1M HcL is udded to 100 ml of asalFion Which IS 0.1 M both in HOAC and NAOAC. By how many…

A: The questions are based on the concept of PH calculations. we have to determine how much by pH…

Q: You add 5.00 mL of 0.200 M NaOH to 50.00 mL of pure water, and to this mixture you then add 10.00 mL…

A: Given: Volume of NaOH V1 = 5.00 mL Concentration of NaOH M1 = 0.200 M Volume of solution after…

Q: ACID-BASE EQUILIBRIA Doc Jill wants to determine the Ao of a weak acid she isolated called…

A: Since you have asked multiple questions questions, we will solve the first four question for you. If…

Q: A solution is prepared by mixing 80 mL of 0.2 M KH2PO4 and 120 mL of 0.2 M K2HPO4 . What is its pH?

A: Moles of KH2PO4 ( acid), = 0.2 M × 0.08 L = 0.016 mol   Moles of K2HPO4 (base), = 0.2 M × 0.120 L =…

Q: You are given 250.0 mL of 0.100 M CH3CH2COOH (propionic acid, K, 1.35 x 10). Youd wish to adjust the…

A: pH is the proportion of hydrogen particle fixation in the solution. It is utilized to decide the…

Q: I mix 100 mL of 0.100 M HCl in 250 mL of 0.150 M NH3.   I add 50.0 mL of 0.0500 M NaOH.   What…

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Q: 1) Calculate the pH of a solution prepared by dissolving 1.90 g of sodium acetate, CH,COONA, in 64.0…

A: Note: As per our company guidelines, we are supposed to answer only 1st question at a time. Kindly…

Q: What is the pH of the solution that results from adding 24.7 mL of 0.11 M HCl to 25.2 mL of 0.41 M…

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Q: What mass of sodium acetate, NACH3 CO2 , must be added to 1.00 L of 0.080 M acetic acid to give…

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Q: The Ka of hypobromous acid, HOBr, is 2.6 x 10-9. Calculate the pH of a solu tion which is composed…

A: PH of acidic buffer can be calculated as follows

Q: A chemist wishes to prepare a standard aqueous solution that has a concentration of Fe3+ equal to…

A: Please have a look into the solution:

Q: A 1 liter solution is made by adding 0.4976 moles NaH2PO4 and 0.2000 moles Na2HPO4. What will be the…

A:

Q: Calculate the resulting pH when 1.00L of 1.00M H2SO4 is added to a tank containing 1.00*107 L of…

A: From the molarity: M: molarity in mole/Litre. n: number of moles. V: volume in Litre.

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.