How many mL of a 5.0-M solution of sodium borate must be added to a 200-mL solution of 50 mM boric acid in order for the pH to be 9.6?   Answer choices: 0.087mL, 2.3mL, 4.6mL, 19.0mL

Q: Calculate the pH of 50.00 ml distilled water after the addition of 4.00 ml 0.10 M HCl. 2. Calculate…

A: Given the volume of distilled water = 50.00 mL Volume of 0.10 M HCl added = 4.00 mL * (1L/1000 mL) =…

Q: When a 20.3 mL sample of a 0.386 M aqueous acetic acid solution is titrated with a 0.472 M aqueous…

A: pH of the solution :-      pH is the quantitative measure of the acidity or basicity of aqueous or…

Q: Consider a buffer solution that is prepared with 40.00 ml of 0.300 M ammonia (NH3) and 40.00 ml of a…

A: We are given a buffer solution with NH4+(aq) as the acidic part and NH3(aq) as the basic part of the…

Q: Be sure to answer all parts. A 0.1276-g sample of a monoprotic acid (molar mass = 1.10 × 10² g/mol )…

A: Answer:

Q: A patient is suspected of having low stomach acid, a condition known as hypochloridia. To determine…

A: Gastric Juice contains HCl. Volume of gastric juice = V1 = 20ml Volume of KOH = V2 = 25.6ml…

Q: How many grams of dry NH4Cl need to be added to 2.0 L of a 0.300 mol L-1 solution of ammonia, NH3,…

A:

Q: A solution is made by mixing 205 mL of 0.100 M formic acid (Ka = 1.7 x 10-4) and 230. mL of 0.100 M…

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Q: Thymol blue turns yellow. Methyl orange turns yellow. Methyl red turns orange. Bromothymol blue…

A:

Q: A biology experiment requires the use of a nutrient fluid buffered at a pH of 4.85, and 659 mL of…

A: Given: Volume of buffer solution = 659 mL moles of NaOH = 5.0×10-3 mol moles of HCl = 5.0×10-3 mol…

Q: What is the pH of a solution made by mixing 30.00 mL of 0.10 M acetic acid with 40.00 mL of 0.10M…

A: The reaction will be as follows: CH3COOH(aq) + KOH(aq) -----------> CHCCOO-K+(aq) + H2O(aq). The…

Q: In each of the following questions, assume that there is no volume change when HCl is added to water…

A: Henderson-Hasselbach equation. this equation shows the relationship between pH of a solution, the…

Q: How many mL of a 5.0-M solution of sodium borate must be added to a 200-mL solution of 50 mM boric…

A: Pka of boric acid = 9.14    Cl+ consider x ml  5.0 M sodium borate is  required.   PH  = Pka +…

Q: I mix 50.0 mL of 0.150 M CH3COOH with 10.0 mL of 0.100 M NaOH. Calculate the pH of the mixture.…

A: Henderson equation: pH = pKa + log[CH3COONa]/[CH3COOH] pKa = -logKa

Q: What is the pH of 100 mL of a 50 mM solution of benzoic acid is added to 70 mL of a 50 mM NaOH…

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Q: Mass of NaCl needed for 50.0 mL of 0.200 M NaCl solution. (Show calculation below.) Change in pH…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Calculate the moles of HCI that must be added to 100.0 mL of a solution that is 0.20 M in HCO₂H and…

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Q: 2. Calculate the pH of a solution that contains 150 ml of 0.25 M NaF and 252 mL of 0.30 M HF. Ka =…

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Q: A solution is made by dissolving 38.1 g of Ba(NO₂)₂ in 500.0 mL of water. Using Kb(NO₂⁻) = 2.2 ×…

A: Given, mass of Ba(NO₂)₂ = 38.1 g           Volume of solution = 500.0 mL           Kb(NO₂⁻) = 2.2 ×…

Q: A 1-L unbuffered solution needs the pH adjusted from 7 to 1. How many mL of 12 molar HCI solution…

A: To find: Amount of 12M HCl solution required to change the pH of 1-liter unbuffered solution from pH…

Q: A beaker contains 10.888 mL of a 0.111 M solution of CSOH. This is titrated with 13.81 mL of a…

A: Given that, 10.888 mL of 0.111 M CsOH is titrated with 13.81 mL of 0.0271 M HNO3. We have to…

Q: The final volume of buffer solution must be 100.00 mL and the final concentration of the weak acid…

A: For a buffer, buffer capacity is the pH range = pKa ± 1

Q: A patient is suspected of having low stomach acid, a condition known as hypochloridia. To determine…

A: The main constituent of Gastric juice is hydrochloric acid (stomach acid).Given,Volume of HCl (V1) =…

Q: n each of the following questions, assume that there is no volume change when HCl is added to water…

A: ANSWER : (a) Concentration of HCl = Concentration H+ = moles of HCl / Volume of solution = 0.091…

Q: 6. A stock solution of barium hydroxide was prepared by dissolving 4.71 g of barium hydroxide in…

A: A stock solution of barium hydroxide is prepared by dissolving 4.71 g of barium hydroxide in 550 mL…

Q: The pH of a 500.00 ml buffer solution containing sodium mandelate and mandelic acid (ka=…

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Q: Q1// A buffer solution prepared by adding adequate amount of Acetic acid and Sodium acetate to…

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Q: A solution is made by mixing 205 mL of 0.100 M formic acid (Ka = 1.7 x 10-4 ) and 230. mL of 0.100 M…

A: The mixture of a weak acid and its conjugate base or weak base with its conjugate acid will form a…

Q: Neutralization Titration Show the pH calculation process when 0.00, 10.00, 20.00

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Q: In a titration experiment, the pH of the vinegar used was found to be 2.45 which is equivalent to…

A:

Q: A 1-L unbuffered solution needs the pH adjusted from 6 to 1. How many mL of 12 molar HCl solution…

A: Step 1: Given that the initial solution is un-buffered with pH 6.  It has to convert to pH 1, by…

Q: How many grams of dry NH,Cl need to be added to 1.60 L of a 0.100 mol L- solution of ammonia, NH3 ,…

A: We have a buffer solution of base NH3 and salt NH4Cl.      From henderson hasselbalch equation ,…

Q: The pH of a 500.00 mL buffer solution containing sodium mandelate and mandelic acid (ka= 3.89x10 4)…

A:

Q: A 0.4-L unbuffered solution needs the pH adjusted from 10.0 to 3.0. How many microliters of a 7…

A: Given Volume = 0.4 L molarity = 7 M

Q: A patient is suspected of having low stomach acid, a condition known as hypochloridia. To determine…

A: Given : Volume of gastric juice = 200 ml  Molarity of KOH = 1.73 × 10-4 M  Volume of KOH = 4.82 ml…

Q: The pH of a 500.00 mL buffer solution containing sodium mandelate and mandelic acid (ka=…

A: Solution: Here we have buffer solution of mandelic acid and it's conjugate salt. So the given…

Q: An analytical chemist is titrating 225.7 mL of a 1.100M solution of cyanic acid (HCNO) with a 1.100M…

A: Since you have posted multiple questions we will solve the only first question for you according to…

Q: You wish to titrate 38.00 mL of a 0.1680 M KOH solution with 0.1120 M HNO3. Calculate the pH after…

A: The question is based on the concept of titrations.   we are titrating  a strong acid with a strong…

Q: 10. 40.0mL of 0.10M HCl was added to 50.0 mL of 0.10M NaOH and the mixture was stirred, then tested…

A: The reaction taking place is,

Q: nitrous acid solution is titrated with a 0.425 M aqueous solution of barium hydroxide. How many…

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Q: A student is asked to design an experiment that uses indicators to identify which of three unknown…

A: Data and solution is done in step 2.

Q: What is the Ka or Kb expression for NH4Cl and Na2CO3? What is the value of Ka or Kb for both…

A: Salt hydrolysis: It is a reaction in which an acidic or basic solution is formed when one of the…

Q: You wish to titrate 38.00 mL of a 0.1680 M KOH solution with 0.1120 M HNO3. Calculate the pH after…

A: The pOH is calculated by the formula, pOH=-logOH The pH is calculated by the formula,…

Q: A 0.4-L unbuffered solution needs the pH adjusted from 10.0 to 3.0. How many microliters of a 5…

A:

Q: What is the pH of the solution of 35 mL 0.20 M formic acid and 55mL 0.10 M sodium formate in 110 mL…

A: Here the pka of formic acid given is 3.75  [Salt] - concentration of salt here salt is sodium…

Q: mix together 30ml of 0.100M NaCNO, 10ml of 0.100M HCI and 30ml of 0.100M HCNO. What is the ph of the…

A: The given mixture forms a buffer solution. pH of a buffer solution can be obtained by using…

Q: The pH of a 500.00 mL buffer solution containing sodium mandelate and mandelic acid (ka= 3.89x10-4)…

A: Given that , The buffer solution is made up of sodiumandelate and Mandelic acid  Ka= 3.89 x 10-4 ao…

Q: You are asked to prepare a buffer solution with a pH of 3.50. The following solutions, all 0.100 M,…

A: The available acids and their conjugate bases are: HCOOH, pKa = 3.745 CH3COOH, pKa = 4.75 H3PO4, pKa…

Q: A patient is suspected of having low stomach acid, a condition known as hypochloridia. To determine…

A:

Q: What will be the pH of the solution when 12.0 mL of 0.400 M KOH is added to a 25 mL of 0.200 M HOCl…

A:

Q: 100. mL of a 0. 10M solution of aqueous acetic acid is titrated using aqueous 0. 10M NaOH solution.…

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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.