Calculate the pH that results when the following solutions are mixed together. Assume that the total volume after mixing is 200.0 mL. (1) 35 mL of 0.20 M formic acid, HCO2H (The Ka value of formic acid is 1.8 x 10-4 .) (2) 55 mL of 0.10 M sodium formate, NaCO2H (3) 110 mL of water

Q: A student is given a 0.1 M solution of an acid and is asked to determine whether it is a solution of…

A: Given: Concentration of acid = 0.1 M And the pH of the solution = 2.3

Q: A solution is prepared by adding 300 mL of 0.500 M NH3 and 100 mL of 0.500 M HCl. Assuming that the…

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Q: What is the pH of a solution prepared by mixing 50.00 mL of 0.10 M NH3 with 20.00 mL of 0.10 M…

A: Given, NH3= 20mL of 0.1M Kb= 1.8× 10-5 NH3 = Weak base NH4Cl = Salt This is a buffer solution…

Q: How many grams of ammonium chloride, NH4Cl, would have to be added to exactly 500 mL of 0.10 M NH3…

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Q: What is the pH of a solution made by mixing 100.0 mL of 0.10 M HNO3, 50.0 mL of 0.20 M HCl, and…

A: [HNO3] = 0.10 M  VHNO3  = 100 ml  nHNO3 = [HNO3] x VHNO3 = 0.10 M x 100 ml  = 10 mmol [HCl] = 0.20 M…

Q: Calculate the pH of 50.0 ml of 0.250 M oxalic acid (HOOCCOOH) upon addition of 15 mL of 0.500 M…

A: Oxalic acid is a diprotic weak acid, whereas monoacidic NaOH is a strong base. Given the volume of…

Q: 11. A 80 mL solution containing 0.25 M formic acid (HCOOH) and 0 35 M sodium ascorbate (NaCoH;Oe)…

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Q: Calculate the pH of a mixture that contains 0.12 M of HCl and 0.20 M of HCH,O.

A: [HCl] = 0.12 M [H+] = 0.12 M [HC6H5O] = 0.2 M                              HC6H5O ⇔ C6H5O-  +  H+…

Q: If you mix 350 grams of NACN in 640 ml of water, what is the pH? How many grams of its conjugate…

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Q: Barbituric acid, HC4H3N2O3, is a weak acid that is used to prepare various barbiturate drugs (used…

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Q: Compounds containing nitrogen are often weak bases. One example is aminoethanol, which has the…

A: The relation between pH and pOH: pH= 14 - pOH

Q: you add 200 mL of 0. 100 M HCI to 1.00 L solution containing 0,150 M HEN and 0.300 M NaCN, what will…

A: Given-> Volume of HCl = 200 ml = 0.200 L (1L =1000ml) Molarity of HCl = 0.100 M Volume of initial…

Q: 4- A liter of solution contains 0.25 M HCOOH and 0.3 M HCOONA, calculate the pH of this solution.…

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Q: A solution of dimethylamine is prepared by dissolving 1.3525 grams of dimethylamine in 25 mL ethanol…

A: Given: Mass of dimethylamine = 1.3525 g. And the final volume of the solution = 100.0 mL.

Q: You are given two beakers, one containing 0.7 M 450 ml NaOH (sol-1) and another containing 0.3 M 560…

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Q: If 0.050 moles of gaseous HCl is bubbled in 1.0 liter of a solution that is 0.15 M in NH3 and 0.10 M…

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Q: 10.0 cm³ of a solution of a strong acid with a pH of 3 is added to a volumetric flask and the total…

A: Given data: Volume of acid before adding water = 10 cm3 = 0.01 dm3  pH before dilution = 3 Volume of…

Q: Which of the following may be used to measure the pH of a solution?   a. a pH meter   b.…

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Q: What is the pH of a solution prepared by mixing 100.00 mL of 0.020 M Sr(OH)2 with 50.00 mL of 0.400…

A: Strontium hydroxide and lithium hydroxides are strong bases. They dissociate completely in the…

Q: 1.0 M HCl solution has a volume of 20.0 mL. Determine the pH of the solution that results from…

A: The balanced chemical equation for the given reaction is,

Q: 8.0T 7.6 7.2- 6.8 6.4 6.0+ 10 20 30 40 50 60 70 80 90 Temperature (°C) In pure water, some of the…

A: Solution :         Autoionization of water happens when the two water molecules react with each…

Q: Suppose a 0.10OM solution of each of the following substances is prepared. Rank the pH of the…

A: There are some substance :-  KF, NH4I ,HBr, NaCl, LiOH . We have to calculate the PH of the  0.100M…

Q: Butyric acid, C3H,COOH, has ionization constant of 1.54 x 10-5. a) Calculate the pH of 50.0 mL of a…

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Q: pH calculation at the initial point: Calculate the pH of 50.0 mL of 0.250 M oxalic acid (HOOCCOOH)…

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Q: Calculate the pH you would expect for a 0.15 M aqueous solution of each substance. - nitric acid -…

A: To calculate pH , we first check nature of substance as strong acid , weak acid , strong base or…

Q: please highlight the correct answer

A: As the pH of the solution has decreased from 9 to 8, the molarity/concentration of H+ has changed…

Q: Given 100 mL of a 0.245 M solution of pyridine (C5H5N pKb = 8.77), what is the pH if 100 mL of 0.245…

A: when Acid and base mix in equal milliequivalent form salt

Q: To what volume should 100 mL of any weak 0.30 molar monobasic acid (HA) or mono-acidic base (BOH) be…

A: According to the Le Chatelier principle, adding water to equilibrium would cause equilibrium left to…

Q: The pyridinium ion (C5H4NH) is a weak acid (Ka = 5.60 x 10-6). Calculate the pH of a solution that…

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Q: Phenol, once known as carbolic acid, HC6H5O is a weak acid. It was one of the first antiseptics used…

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Q: Calculate the pH of a 0.50 M solution of sodium cyanide (NaCN). The K, of HCN is 4.9 x 10 10.

A: A strong base and weak acid react to form salt and water. The salt will be basic in nature and the…

Q: What is the pH of a solution prepared by mixing 50.00mL of 0.10 M NH3 with 10.00 mL of 0.10 M NH4Cl?…

A: Given data is as follows:

Q: When answering this problem, report the answer with the appropriate number of significant figures.…

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Q: A typical aspirin tablet contains 325 mg acetylsalicylic acid. Calculate the pH of a solution that…

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Q: 500

A: Dear student I have given answer to your question in the image format.

Q: You add 15.00 mL of 0.700 M NaOH to 50.00 mL of pure water, and to this mixture you then add 5.00 mL…

A: Given: concentration of NaOH = 0.70 M volume of NaOH = 15.0 mL volume of water = 50.0 mL Volume of…

Q: 1. Calculate the theoretical pH of the solution at the following instances when 0.00, 5.00, 9.00,…

A: To find : the pH of the given solution.

Q: 4) Calculate the pH of a solution that is composed of 90.0 mL of 0.345 M sodium hydroxide, NaOH, and…

A:

Q: A 1-L unbuffered solution needs the pH adjusted from 5.5 to 4. How many mL of 1 molar HCl solution…

A: Given: Volume=1 L pH=5.5 to 4 Molarity of HCl=1 M To find: pH is reduced to 4 Solution: Molarity is…

Q: You add 7.00 mL of 0.100 M NaOH to 50.00 mL of pure water, and to this mixture you then add 12.00 mL…

A:

Q: 8.0 2. 7.6- 7.2- 6.8 6.4- 6.0+ 10 20 30 40 50 60 70 80 90 Temperature ("C) In pure water, some of…

A:

Q: The ionization constant of acetic acid HC2H3O2 is 1.8 x 10-5. What will be the pH of a 0.10 M…

A: Given, The ionization constant of acetic acid HC2H3O2 is 1.8 x 10-5 0.10 M HC2H3O2 and 0.10 M in…

Q: A liter of solution contains 0.25 M HCOOH and 0.3 M HCOONA, calculate the pH of this solution.…

A: First we would Calculate pH of buffer solution using Henderson Hasselbalch equation.  When HCl is…

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: The pH of solution is a measure of hydrogen ion concentration, which in turn is a measure of its…

Q: Given 1000 mL of a 0.114 M solution of pyridine (C5H5N pKb = 8.77), what is the pH if 100 mL of…

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Q: A typical vitamin C tablet (containing pure ascorbic acid, H2CgHgOg) weighs 500 mg. One vitamin C…

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Q: Calculate the pH, when the following solutions are added to 100. mL 0.10 M HClO solution: The Ka of…

A: Given :-  Molarity of HClO solution = 0.10 M = 0.10 mol/L  Ka of HClO = 3.0 x 10-8…

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.