The pH of dissolving 1.48 g of propanoic acid (CH3CH2COOH, Ka 1.3X105) in 200 mL H20 is 4.82 O 3.71 O 2.94 O 1.22 O 5.25

Q: The pH of dissolving 1.48 g of propanoic acid (CH3CH2COOH, Ka = 1.3X10-5) in 200 mL H20 is %3D О…

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Q: What is the pH of a 0.0470 M solution of methylamine (CH&NH2, Kb = 4.4 x 10 4)?

A: Calculate the hydroxide ion concentration released by methylamine. OH- = KbCOH- = 4.4 × 10-4 ×0.047…

Q: What is the pH of a 0.122 M monoprotic acid whose K, is 5.7 x 104? a

A: question given concentration and Ka using this we can calculate the degree of dissociation  using…

Q: Do you think the pH of 1.0 M tri-methyl ammonium (CH3)3NH", pKa 9.80, will be higher or lower than…

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Q: Calculate the pH of a 0.081M NaCN solution at 25 degrees Celsius. Ka (HCN) = 4.9 x 10^(-10). You…

A: Given, Concentration of NaCN solution = 0.081 M Ka of HCN = 4.9 × 10-10 pH of the solution = ? Note:…

Q: triethanolamine

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Q: If the K, of CGH5COOH is 6.3 x 10, what is the pH of a 0.227 M solution of NaCgH;COO? O 2.72 11.28…

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Q: What is the pH of an aqueous solution of 0.159 M sodium cyanide (NaCN)? (Kb of CN- = 2.5 x 10-5)

A: Given, The concentration of sodium cyanide (NaCN) = 0.159 M Kb for CN- = 2.5 x 10-5. pH is the…

Q: The H3O+ concentration in coffee is about 1 X 10-5 M. What pH is this?

A: The pH of a solution is equal to –log[H+] where [H+] is the concentration of hydrogen ions present…

Q: What is the pH of a 0.1250 M CH3NH3Br? Kb for CH3NH2 is 3.70e-4.

A: Given,  The pH of a 0.1250 M CH3NH3Br is : Kb for CH3NH2 is 3.70e-4.

Q: Alcohols can act either as weak acids or as weak bases, just as water can. Show the reaction of…

A: We have to predict the reaction of methanol with acid and base.

Q: Calculate the number of moles of HF that must be present in 500 mL of solution to give a pH of 3.5.…

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Q: The PH of 0.0296M HA ( Ka 8.4 *10-9) plus * . . 0.1026 M NaA is 4.3 2 O 8.6 7.5 O

A: The question is based on the concept of PH calculations. we have been given a weak acid and its…

Q: Write the dissociation reactions for KI (aq) in water and for (NH4)2S2O8 (aq) in water.

A: We have to write the dissociation reactions for KI (aq) and for (NH4)2S2O8 (aq) in water.

Q: What is the pH of a 0.830 M solution of Ca(NO₂)₂ (Ka of HNO₂ is 4.5 × 10⁻⁴)?

A: The chemical equation may be written as: The given data is: Concentration of Ca(NO2)2 =0.830M Ka of…

Q: The pH of a 0.045 M Ca(OH)2 solution is: +1.3467 O +12.954 O +12.653 O -1.3467

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Q: The acid-dissociation constants of phosphoric acid (H3PO4) at 25 degrees Celsius are Ka1 = 7.510-3,…

A: Given data contains, Molarity of aqueous phosphoric acid solution is 2.5M.…

Q: The acid-dissociation constant of hydrocyanic acid (HCN) at 25.0°C is 4.9 x 10 10. What is the pH of…

A: pH of a solution is used to define acidity or basicity of the solution. At room temperature, pH of…

Q: What the pH of 0.10 M solution of methylamine (Kb for CH3NH2 is 4.4 x 10*)?

A: A numerical problem based on pH of the weak base, which is to be accomplished.

Q: The K. of hydrofluoric acid (HF) at 25.0 °C is 6.8 · 10 4 What is the pH of a 0.45 M aqueous…

A: Given Concentration of HF = 0.45 M Ka for HF = 6.8 × 10-4

Q: Write the net ionic equation for the aqueous solution: Potassium Benzoate(KC_7H_5O_2) and…

A: Ionic equation is an equation in which ions are explicitly shown. Net ionic equation is the chemical…

Q: Aniline, C6H5NH2, is a weak base with K, = 3.8 x 10-10. What is the pH of 0.750 M anilinium chloride…

A: Anilinium chloride is a salt made from strong acid HCl and weak base aniline.  So, solution of…

Q: A weak base, BOH, has a ph of 9.80 and Ka equal to 1.0 x 10-5. What is the Molarity of BOH?

A: Given data, The pOH of a weak base is calculated as shown below.

Q: The acid constants of the polyprotic acid НЗASO4 are К_a1 %3D 5х10 ^-3, К_а2 - 8х10^-8, К_а3 %3D…

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Q: The hydronium ion concentration of an aqueous solution of 0.532 M benzoic acid, C,H5COOH (K, =…

A: Given- Concentration of benzoic acid solution = 0.532 M Ka = 6.30 x 10-5 To find- [H3O+]

Q: What is the pH of a solution prepared by dissolving 0.24 gram of solid MgO in enough water to make…

A: In order to find the pH we first write down the given data: Mass of MgO= 0.24 g. Volume of solution=…

Q: 2. If you make a solution by mixing 25.mL of 0.50 M acetic acid (CH3COOH) and 25 mL of 0.30 M sodium…

A: Given,  [CH3COOH] = 0.50 M  Volume of CH3COOH = 25 mL  [CH3COONa] = 0.30 M  Volume of CH3COONa = 25…

Q: What is the pH of a 0.0930 M solution of methylamine (CH₃NH₂, Kb = 4.4 × 10⁻⁴)?

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Q: What is the pH of a 0.0100 M  solution of analine (C6H5NH2) , a weak base.     Kb= 4.0 x10-10

A: The chemical equation for aniline can be written as: This equation shows that aniline is a base,…

Q: what ph does a 12,7 M NaOH solute have?

A: NaOH ---> Na+ + OH–  [NaOH] = 12.7 M = [OH–]  So, pOH  = – log [OH–] pOH = – log (12.7) = 1.103…

Q: The pH of dissolving 1.48 g of propanoic acid (CH3CH2COOH, Ka = 1.3X10-5) in 200 mL H20 is %3D 4.82…

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Q: What is the pH of a 0.0360 M solution of hydrocyanic acid, HCN (Ka = 4.9 x 10-10)?

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Q: 6. What is the pH of a 0.25 M solution of methylamine hydrochloride (CH3NH3CI)? Kb for methyl amine…

A: This ia a salt of weak base and strong acid. So apply formula for salt of weak base and strong acid.

Q: The Kp of dimethylamine [(CH3)2NH] is 5.90×104 at 25°C. Calculate the pH of a 1.55x103 M solution of…

A: Given :  Concentration of (CH3)2NH = 1.55 × 10-3 M  Kb = 5.90 × 10-4  To calculate :-  pH of…

Q: Calculate the pH of a 0.100 M NaCH 3CO 2 solution. Ka for acetic acid, CH 3CO 2H, is 1.8 × 103.

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Q: the pH and concentrations of species the following sõlutions (a) 0.20 M K,HPO4 An amphiprotic…

A: Amphiprotic species   Amphiprotic species can act both as acid and base by donating or accepting…

Q: The pH of a 1.00 M Solution -1 of Nitrous acid HNO2 (pKb =10.6) is

A: HNO2 is a weak acid. pH of 1M solution need to be found out here. Dissociation of this weak acid in…

Q: What is the pH of 0.273 M trimethylammonium iodide, (CH3)3NHI? The Kb of trimethylamine, (CH3)3N, is…

A: Kb = 6.3 x 10-5

Q: Calculate the pH for a 0.1 M solution of C6H5COOH (K, = 6.46 x 105) and the pH for a 0.2 M %3D…

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Q: 6. What is the pH of a 0.250M solution of methyl amine (CH3NH2, Kb = 4.4 x 104)?

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Q: What is the pH of a solution that is 0.32 M H(C6H5COO) and 0.12 M Na(C6H5COO)?   The Ka of…

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

Q: The pH of dissolving 1.48 g of propanoic acid (CH3CH₂COOH, Ka 1.3X105) in 200 mL H₂O is 4.82…

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Q: What is the pH of a 0.0500 M solution of hydrocyanic acid, HCN (Ka = 4.9 × 10⁻¹⁰)?

A: Given -> Molarity of HCN = 0.0500 M Ka = 4.9 × 10-10

Q: What is the pH of a 0.0680 M solution of hydrocyanic acid, HCN (Ка %3D 4.9 х 10-10)?

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Q: The [H3O+] = 4.7 x 10-5 M for the HC7H5O2 and NaC7H5O2 solution. What is the pH of the solution?

A: Given H3O+ concentration of the solution, [H3O+] = 4.7*10-5 M

Q: 2) A weak acid has a K,= 6.62 x 10. What is the pH of a solution of this acid that is 2.65 M?

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Q: we throw a solution methyl orange it turns yellow, while if we throw it greedily it turns red. The…

A: Methyl orange shows red color in acidic medium and yellow color in basic medium.  In a solution…

Q: (6)  Is the salt C2H5NH3Cl acidic, basic, or neutral?                            What is the pH of…

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Q: If the KbKb of a weak base is 1.6×10−6,1.6×10−6, what is the pH of a 0.18 M0.18 M solution of this…

A: Concentration of the solution is 0.18 M. Kb = 1.6 x 10-6 The Ka value is calculated by following…

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.