What is the pH of a vinegar with 25.65 % (w/v) acetic acid in water? The pKa of acetic acid is 4.497. Record your answer with 2 decimals.

Q: What is the pH of a grapefruit that contains 0.007 M citric acid solution (C6H8O7)? CGH807(aq) +…

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Q: Phenylacetic acid (C6H5CH2CO2H) is a weak monoprotic acid with Ka = 4.90 × 10-5. What is the pH of a…

A: Given :-  initial concentration of phenylacetic acid = 9.21 × 10-1 M or 0.921 M  ka = 4.90 × 10-5…

Q: A weak acid has Ka of 4.82 x 10-5.  What is pKa for this weak acid? Enter a numerical value in the…

A: Given: Ka = 4.82 × 10-5

Q: Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric…

A: pH  of any solution = -log[ H3O+]Given in the question,pH of the solution = 4.240Molar concentration…

Q: Would a 1.0 * 10-8M solution of HCl have pH 6>7, pH = 7, or pH <7?

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Q: A tablet containing 500 mg of aspirin was dissolved in enough water to make 100 mL of solution.…

A: Given, Mass of aspirin, C9H8O4 = 500 mg = 0.500 g     (1 mg = 0.001 g) Volume of solution = 100 mL =…

Q: A 0.3 M solution of a weak acid, HA, has an [H30*] of 0.002 M. What is the Ka of the acid, HA?…

A: Dissociation of acid is HA + H2O --------> H3O+ + A- the relation between concentration of H+ or…

Q: Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric…

A: • The values provided in the question are:-      i) pH of a carbonated cola solution = 3.120    • We…

Q: The base protonation constånt K, of morpholine (C,H,ONH) is 2.14 x 10 . Calculate the pH of a 0.86 M…

A: Equilibrium constant is the ratio of  product of concentration of products raised to their…

Q: What is the pH of a grapefruit that contains 0.007 M citric acid solution (C6H8O7)?   C6H8O7(aq) +…

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Q: What is the pH of an aqueous solution with .5 M NH3 & .45 M NH4Cl?  Kb=1.78 x 10-5

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Q: If you start with 20 mM acetic acid, 50 mM acetate (pKa = 4.76) solution, how much of a 0.15 M…

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Q: Hydrogen cyanide, HCN, also called hydrocyanic acid is a weak acid with a pKa near 10. What would be…

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Q: Which of the following is the pH of a solution with [H3O+] = 1.0 x 10-9? Select one: a. 1.00 b.…

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Q: Calculate the pH of a 0.0076 M solution of acetic acid, CH3COOH. The Ka of acetiç acid = 1.8 x 10-5.…

A: Kaa of acetic acid = 1.8× 10- 5  initial concentration of acetic acid = 0.0076 M

Q: Vhat is the original molarity of a solution of formic acid (HCOOH) whose pH is 3.26 at 25°C? (Ka for…

A: Formic acid, HCOOH is a weak acid. That's why pH = 1/2pKa - 1/2logC or, logC = pKa-2*pH ....(1)…

Q: what is the pH of a solution containing 7.1 g of acetic acid (HC2H3O2) dissolved in 240 mL of water?…

A: Acetic acid i.e CH3COOH is a weak monoprotic acid. Hence it will dissociate partially in the…

Q: The base protonation constant K, of allantoin (C,H,N,O,NH,) is 9.12 x 10 °. Calculate the pH of a…

A: Given Initial Concentration = 0.47 M Kb = 9.12 × 10-6

Q: What is the [H3O+] of the blood if it has a pH of 7.4? What is the [H3O+] of milk if it has a pH of…

A: Interpretation-  To determine the [H3O+] of the blood if it has a pH of 7.4 and another determine…

Q: If the pH of a 1.00 in. rainfall over 1700 miles^2 is 3.40, how many kilograms of sulfuric acid,…

A: Height of rainfall = 1.00 inch = 0.0254 m Area of rainfall = 1700 miles² 1 mile² = 2.59×10⁶ m²…

Q: The pKw of seawater at 25°C is 13.776. This differs fromthe usual pKw of 14.00 at this temperature…

A: Given data contains, pKw of seawater is 13.776. pH in seawater is 8.00. Actual pKw of  water is…

Q: What is the pH of 0.133 M trimethylammonium iodide, (CH3)3NHI? At 25°C, the Kb of trimethylamine,…

A: Given Concentration of triethylammonium iodide is 0.133M Kb for triethylamine is 6.3 X10-5 We have…

Q: Saccharin, a sugar substitute, is a weak acid with pKa = 2.32at 25 °C. It ionizes in aqueous…

A: Since the reaction given is HNC7H4SO3(aq) ⇌ H+(aq) +HNC7H4SO3-(aq) hence assuming that y…

Q: Seawater has a pH of 8 while milk of magnesia has a pH ~10. How much more basic is milk of magnesia…

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Q: Common aspirin is acetylsalicylic acid, which has the structure shown below and a pka of 3.5.…

A: Given mass of aspirin = 6.5 × 102 mg = 650 mg  Mass of water = 8 ounces = 8 × 28.35 g  = 226.8 g…

Q: Ascorbic acid (vitamin C, C6H8O6) is a diprotic acid (Ka1 = 8.0×10–5 and Ka2 = 1.6×10–12). What is…

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Q: A solution of lactic acid, HC3H5O3, on a laboratory shelf was of undetermined concentration. If the…

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Q: The hydroxide ion (OH-) concentration in skim milk was measured to be  5.4 x 10-8 M. What is the pH…

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Q: Determine the pka of an acid whose concentration is 0.100M and pH is 2.86.

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Q: Trimethylamine, (CH3)3NH2, is a gas with a fishy, ammonialike odor. A 0.25 M aqueous solution of…

A: Since you have posted multiple questions, we are entitled to answer the first only. NOTE : The…

Q: The pH of a 0.5 M aqueous solution of formic acid, HCHO2, at 25.0 °C is 2.0. What is the value of Ka…

A: pH tells us about the acidic or alkaline values of a solution. Dissociation of a weak acid depends…

Q: A1.12 M solution of a weak acid has a pH of 2.73. What is the pKa of the acid? Report your answer to…

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Q: Ascorbic acid (vitamin C, C6H8O6) is a diprotic acid (Ka1 = 8.0×10–5 and Ka2 = 1.6×10–12). What is…

A: For first ionization :  pH = 0.5pKa1 - 0.5logC ..(1) Here, pKa1 = -logKa1 = -log(8*10^-5) = 4.097 C…

Q: Which of the following acids has the weakest conjugate base? A. pyruvic acid, Ka = 2.8 x 10 B.…

A: The conjugate base is weakest for strongest acid. Acid with high Ka and low pKa value will be…

Q: Ascorbic acid (vitamin C, C6H8O6) is a cliprotic acid (Ka1= 6.8 x 10-5 and Ka2 = 2.7 x 10-12). What…

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Q: Calculate the pH of a solution that is 1.8*10^-3 M morphine if the pKa of its conjugate acid is 8.21

A: We have to predict the pH of the morphine solution.

Q: The Kb of a weak base, Z, is 3.75 x 10−12.  What is the Ka for its conjugate acid, HZ+?

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Q: Ascorbic acid, H2C6H6O6, is a diprotic acid with Ka1 = 7.9 * 10-5 and Ka2 = 1.6 * 10-12.  What is…

A: Dissociation constants of ascorbic acid  given are as follows: Ascorbic Acid dissociates as…

Q: What is the pH of 0.541 M dimethylammonium iodide, (CH3)2NH21? At 25°C, the Kb of (CH3)2NH is 5.9 x…

A: Dimethylammonium iodide is a salt of a strong acid, HI, and weak base, (CH3)2NH. So, in this case,…

Q: The two acid dissociation constants for sulfurous acid, H,SO, are 1.3x10-2 and 6.3x10-8at 25°C. What…

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Q: The pK, of a particular weak acid is 5.17. What is the pH of the weak acid solution when exactly…

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Q: Methylamine, CH3NH2, has pKb of 3.44. What is the pH of 1.00 M methylamine and will the percent…

A: The ionization reaction of methylamine is as follows, Next determine the Kb value of methylamine.…

Q: How many milligrams of CH3COOH (fw 60) should be added to 250 mL of water to get pH 3. K. = 1 x 10-5

A: CH3COOH is weak acid in aqueous solution. It will dissociate in solution as below-

Q: What is the pH of a grapefruit that contains 0.007 M citric acid solution (C;HgO;)? CH3O;(aq) +…

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Q: Calculate the pH of a 27 mg/L solution of hydrocyanic acid (HCN). The pKa of hydrocyanic acid is…

A: Given: The concentration of hydrocyanic acid is 27 mg/L. The pKa of hydrocyanic acid is 9.3.

Q: Calculate the pKa of the weak acid HA, given that a solution that is 0.357 in HA and 1.24 in A- has…

A: Buffer solution is made of weak acid and it's conjugate base or weak base and it's conjugate acid.

Q: what is the ph of a solution that is 0.75 M in sodium acetate and 0.50 M in acetic acid? (Ka for…

A: Given : concentration of acetic acid = 0.50 M concentration of sodium acetate = 0.75 M and Ka of…

Q: What is the hydronium ion concentration [H3O+] of a 0.010 M acetic acid solution in water? (Ka for…

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Q: Caffeine (CHiON O2) is a weak base with a pKof 10.4. Calculate the pH of a solution containing a…

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Q: Calculate the pH and % dissociation of a 0.100 M solution of propanoic acid (HC3H5O2). K,= 1.3x10-5…

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