Explain how the pH of a mixture of aqueous ammonium chloride and aqueous ammonium remains constant when a small amount of strong base is added.Give suitable equations in your explanation.

Q: (a) Acid rain is no threat to lakes in areas where the rock is limestone (calcium carbonate), which…

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Q: principle

A: Titration is an inherent part of qualitative analysis. In this technique, we use to measure the…

Q: 20.0 ml of 0.01 M HCl is added to    5. 6    ml  0. 10 M NaOH, the resulting pH of the solution will…

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Q: The base constant for ammonia, NH3, is Kb = 1.8 x 10-5. A solution was made up with ammonium…

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Q: Which of the following salts DOES NOT affect pH when dissolved in water(only one)  Ammonium…

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Q: 1) Calculate the pH of a solution prepared by dissolving 2.20 g of sodium acetate, CHCOONA, in 78.0…

A: Given: mass of sodium acetate=2.20 gvolume of acetic acid=78.0 mLmolarity=0.10 MKa=1.75×10-5 To…

Q: Calculate the pH of a solution formed by adding 5.00 grams of solid sodium formate, NaCHO₂, to 180.0…

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Q: Crimen Na₂ coz dissolved in water Vs No₂ Co₂ dissolved in Potassium bicarbonate Solution. Please…

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Q: Explain why the pH does not change significantly when a small amount of an acid or a base is added…

A: The solution of a weak acid or base with its conjugate base or acid respectively is known as a…

Q: 1) Calculate the pH of a solution prepared by dissolving 2.35 g of sodium acetate, CH,COONa, in 81.5…

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Q: what is the pH of the titration when 30.00 mL of base have been added?

A: The reaction given is Hence from the reaction we can see that 1 mole of acetic acid is reacting…

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: 4) The concentration of the hydroxide ion, OH-(aq), in an aqueous solution is 2.5 x 10–3 mol/L. What…

A: 4). Given,  Concentration of hydroxide ion= 2.5×10^-3 mol/L

Q: Acid rain is due to the dissolution of sulfur oxide (SO3) present in contaminated areas in the…

A: The reactions taking place are-

Q: A scientist notices an occurrence of acid shock in a body of water that sits close to an in-…

A:

Q: Due to the pandemic Covid-19, the uses of hand sanitizers are very important among us. Predict and…

A: Hand sanitizer is a neutral solution. When red cabage indicator was added to it becomes purple in…

Q: 0.800 grams of solid barium hydroxide, Ba(OH)2, is added to enough water to prepare 250.0 mL of…

A: Given :-  Mass of Ba(OH)2 = 0.800 g  Volume of solution = 250.0 mL  To calculate :-  pH of resulting…

Q: 1) Calculate the pH of a solution prepared by dissolving 1.60 g of sodium acetate, CH;COONa, in 64.0…

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

Q: Calculate the pH of a solution prepared by dissolving 1.75 g of sodium acetate, CH3COON,, in 53.5 mL…

A: Given,  Mass of CH3COONa = 1.75 g  Molarity of CH3COOH = 0.15 M  Volume of CH3COOH = 53.5 mL  Acid…

Q: 0.60 g of sodium hydroxide (NaOH) pellets are dissolved in water to make 6.0 L of solution. What is…

A: Molecular weight of NaOH= (23+16+1) = 40 gm/mol  Amount of NaOH taken = 0.6 gm  Moles of NaOH =…

Q: A solution of a weak acid was tested with the following indicators and the colors noted: Methyl…

A: All acid base indicators have a functional pH range, let' say a to b. Below pH 'a', it shows its…

Q: The pH of an aqueous solution of 0.522 M benzoic acid, C6H5COOH is

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Q: Given a mixture of 100cm3 of 1.01M HCl and 400cm3 of 0.04 NaOH, calculate the pH of the solution.

A: We have given that Volume of HCl = V1 = 100ml Molarity of HCl = M1 = 1.01M Volume of NaOH = V2…

Q: A student added 1.78g of Ca(OH)2(9) to 0.250 L of 0.200 molL"' HNO3(aq)- The mixture was carefully…

A: We have to calculate the pH of solution.

Q: Identify the following as acidic or basic, and write the corresponding Ka or Kb reactions and…

A: (a) HF is a weak acid.  the reaction is : HF (aq) + H2O (l) ---------> H3O+ (aq) + F– (aq) Ka…

Q: Explain what is acid-base titration.

A: Titration is  a technique in which unknown concentration of analyte/titrand is find out by titrating…

Q: The acid ionization constant for a certain monoprotic acid (HA) is 1.57×10−4. What is the pH of a…

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Q: If a buffer solution is made of 12.2 g of benzoic acid (C6H5COOH) and 7.20 g of sodium benzoate…

A: Given : buffer solution with mass of benzoic acid = 12.2 g And mass of sodium benzoate = 7.20 g…

Q: At a particular temperature, the ion-product constant of water, Kw, is 1.7 × 10–14.  What is the pH…

A: Given data,  Ion-product constant of water, Kw = 1.7 × 10-14

Q: Explain why the pH does not change significantly when a small amount of an acid or base  is added to…

A: Buffer solution: The buffer solution is an aqueous solution consisting of a mixture of a weak acid…

Q: Chemistry The label of an energy drink states that it contains approximately 80 mg of caffeine…

A: Molecular weight of caffeine = 8×12+10×1+4×14+2×16=194 g/mol Weight of caffeine = 80 mg = 80×10-3g…

Q: Write the net-ionic neutralization reaction that occurs when HI (aq) is added to the buffer solution…

A: When an acid is added to acidic buffer solution .it reacts with salt of buffer solution and gives…

Q: when 100 ml of a .01 M Mg(OH)2 solution is mixed with 100 mL of a .01 M HCl solution, what is the pH…

A: Since both acids and base are strong  hence they will react to form water as shown below Mg(OH)2 + 2…

Q: What is the significance of determining the pH of an antacid preparation?

A: ANSWER

Q: Calculate the pH of a solution formed by adding 2.00 grams of solid potassium cyanide, KCN, to 180.0…

A: Given,  adding 2.00 grams of solid potassium cyanide, KCN, to 180.0 ml of 0.340 M hydrocyanic acid…

Q: Calculate the pH of a solution prepared by dissolving 1.15g of sodium acetate, CH3COONa, in 95.5 mL…

A: Buffer solution is a aqueous solution consisting mixture of  weak acid and its conjugate base or a…

Q: Provided that a chemist prepared a 1.00 M acetic acid solution (HC2H3O2) wherein he found out that…

A: The weak acids are those that partially dissociate in aqueous solution to give protons. The pH is…

Q: A scientist notices an occurrence of acid shock in a body of water that sits close to an industrial…

A: Correct option is (C) explanation is given below

Q: If 10 mL of 0.1 M hypothetical acid, HA, is added with 10 mL of 0.1 M of the salt of its conjugate…

A: Answer: The mixture of acid HA and its conjugate base XA will be a buffer solution.

Q: Calculate the pH and pOH of a solution resulting from dissolving 0.75 grams of perchloric acid in…

A: Given: Mass of perchloric acid i.e HClO4 = 0.75 g And volume of solution = 1500 mL = 1.500 L…

Q: If 14.0 mL of glacial acetic acid (pure HC2H3O2; Ka=1.8×10−5) is diluted to 1.50 L with water, what…

A: Given data Volume of acetic acid = 14.0 mL density of acetic acid = 1.05 g/mL Total Volume of…

Q: explain why the ph doesnt change significantly when a small amount of an acid or a base is added to…

A: pH doesn't change significantly when a small amount of an acid or a base is added to a solution that…

Q: Calculate the pH of 0.2 M solution of sodium acetate

A: This is how we can prepare 0.2 M solution. Weigh 27.20 g of Sodium Acetate Trihydrate into a one…

Q: A solution is prepared by adding 0.10 mol of sodium fluoride, NaF, to 1.00 L of water. What is the…

A: Answer: pH of the solution is 8.09.

Q: For the acid-base equilibrium, idicate the acid-base conjugate pairs.    NH4(aq) + OH(aq)   ➡…

A: The question is based on the concept of acid and base. it involves identification of conjugate acid…

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.