What is the pH of a 0.380 M solution of NACN (Ka of HCN is 4.9 x 1010)?

Q: would

A: [H+] = mass of HCl / [ molar mass of HCl • volume of HCl Solution ]  [H+] = 0.500g / ( 36.46gmol-1 •…

Q: What is the pH of a 0.660 M solution of NaCN (Ka of HCN is 4.9 × 10⁻¹⁰)?

A: The pH will be 11.56.

Q: What is the pH of a 0.178 M aqueous solution of sodium cyanide, NaCN at 25 "C7 (K, for HCN= 4.0-10

A: The given information is: Concentration of sodium cyanide = 0.178 M Ka for HCN = 4.0 x 10-10 The…

Q: dissociated H+H+ ions

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Q: What is the pH of a 0.790 M solution of NaCN (Ka of HCN is 4.9 10-10)?

A: Given, Molarity of NaCN = 0.790M

Q: A 1dm3 aqueous solution contains 5.80g of sodium hydroxide, NaOH.  What is the pH of the solution at…

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Q: What is the pH of a 0.0520 M solution of HONH,CI (Kb of HONH, is 1.1 × 10*)? 2

A: Solution :      Weak bases show partial ionization on dissociation in an aqueous solution. Here…

Q: What is the pH of a 0.083 M solution of NaCN?

A: Given :- Concentration NaCN solution = 0.083 M  To calculate :- pH of solution

Q: The hydronium ion concentration of an aqueous solution of 0.558 M acetic acid (K, = 1.80x10) is M.…

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Q: What is the pH of a solution prepared by dissolving 3.00 g of the weak acid HA (molar mass- 138.12…

A: pH of the solution indicates that the solution is acidic or basic in nature.  If the pH of the…

Q: NH3 is a weak base (?b=1.8×10^−5) and so the salt NH4Cl acts as a weak acid. What is the pH of a…

A: Given: Kb = 1.8 × 10-5              Concentration of solution = 0.056 M             Temperature = 25…

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

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Q: Calculate the pH of a solution prepared by dissolving 5.00 g of NaCIO in 400.0 mL of water.

A: Mass of NaClO  = 5.00g Volume of solution = 400.0 mL=400 ×10-3L Ka = 2.9 × 10-8

Q: HCN is a weak acid (Ka=6.20×10−10), so the salt, KCN , acts as a weak base. What is the pH of a…

A: Ka = 6.20×10-10 pKa = -log(Ka)    = -log(6.2×10-10 = 9.21  Concentration(C) of salt =0.0750 M

Q: How many moles of NH3 must be dissolved in water to give 819.8 mL of solution with a pH of 10.97? K,…

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Q: A 0.632 M solution of a monoprotic base has a pH of 11.53. What is the ionization constant of this…

A: Using pH we will get the consentration of OH-. Now since its a monoprotic base. means it will look…

Q: Allylamine, C3 H; NH2, is a weak base. A 0.29 M aqueous solution of allylamine has a pH of 12.00.…

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Q: What is the pH of a solution that has [OH"] = 8.31 x 10I M? Enter your answer with the correct…

A: Given that :   [OH-] = 8.31 × 10-11 M To find: pH of the solution. It is known that  pOH = -…

Q: Find the pH of a KOH solution made by mixing 123 mg KOH with enough water to make 250 cm3 of…

A: Formula used:- pOH = 14-pH

Q: The hydroxide ion concentration, (OH'), of an aqueous solution of 0.364 M isoquinoline (a weak base…

A: The dissociation of weak base isoquinoline is, C9H7N  + H2O ↔C9H7NH+ + OH- By definition the value…

Q: The pH of an aqueous solution of 0.552 M triethylamine (a weak base with the formula (C2H5)3N) is

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Q: What is the pH of a 0.580 M solution of NaCN (Ka of HCN is 4.9 x 1010)?

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Q: If the pH of a 25 °C NaOH solution is 9.00, what is the molarity of NaOH in that solution?

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Q: A 1dm3 aqueous solution contains 6.78g of barium hydroxide, Ba(OH)2.  What is the pH of the solution…

A: A numerical problem based on pH calculation, which is to be accomplished.

Q: The pH of aqueous 0.10 M pyridine (C5H5N) ion is 9.29. What is the Kb of this base

A: Given , Concentration of pyridine (C) = 0.10 M pH of pyridine solution = 9.29 Dissociation constant…

Q: NH3 is a weak base (Kb=1.8×10−5Kb=1.8×10−5) and so the salt NH4Cl acts as a weak acid. What is the…

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Q: What is the pH of a 0.730 M solution of NaCN (Ka of HCN is 4.9 × 10⁻¹⁰)?

A: Interpretation: The pH of a 0.730 M solution of NaCN is to be determined. Ka of HCN = 4.9 × 10-10

Q: HCN is a weak acid (Ka = 6.20 x 10-10), so the salt, KCN, acts as a weak base. What is the pH of a…

A: Given: Ka of HCN = 6.20×10-10 KCN = 0.0675 M we have to determine the pH ? Kb = Kw / Ka       = 1 ×…

Q: NH3 is a weak base (Kb=1.8×10−5 M), so the salt NH4Cl acts as a weak acid. What is the pH of a…

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Q: The pH at 25°C of an aqueous solution of hydrofluoricacid, HF, is 2.13. Calculate the concentration…

A: Given data is as follows: pH of the hydrofluoric acid (HF) = 2.13 From pH we can calculate the…

Q: HCN is a weak acid (Ka=6.20×10−10) , so the salt, KCN , acts as a weak base. What is the pH of a…

A: Weak acid are those acid which does not dissociate completely in aqueous solution and weak base are…

Q: When 90 mL of water is added to 10 mL of 0.1 M sodium hydroxide, NAOH, the pH.. .... O changes to 3.…

A: The pH of solution will before adding water : If [NaOH] = 0.1 M [OH-] = 0.1 M [H+][OH-] = 10-14 [H+]…

Q: 1. Calculate the pH of a solution prepared by dissolving 2.13 g of picric acid, (NO2);C6H2OH (229.11…

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Q: A solution is prepared by adding 500 mL of 0.30 M NaCN(aq) to 500 mL of 0.40 M HCN(aq) at 25 degrees…

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Q: HCNN is a weak acid (?a=6.20×10^−10) , so the salt, KCN , acts as a weak base. What is the pH of a…

A: Given: Ka of HCN = 6.20×10-10 KCN = 0.0525 M we have to determine the pH ? Kb = Kw / Ka       = 1 ×…

Q: Calculate the pH of a solution prepared by dissolving 5.00 g of NaClO in 400.0 mL of water.

A: To calculate the pH value we must have the concentration in terms of molarity. Molarity is the…

Q: When 0.100 moles of NaX salt are dissolved in water to a volume of 1.00L, the pH and solution is…

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Q: Question is attached

A: Given information: Concentration of dimethylamine = 0.393 M

Q: What is the pH of a 1.8x10 molar aqueous nitric acid solution? (Hint: The H,0* due to the water…

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Q: What is the pH of a 0.0380 M solution of HONH,CI (Ka of HONH,+ is 9.1 × 10-7)?

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Q: What is the pH of a solution in which 43 mL of 0.33 M NaOH is added to 13 mL of 0.170 M HCl?

A: Moles of NaOH and HCl are determined as follows,

Q: Calculate the pH of the amphiprotic salt NaHA.  Ka (H2A) = 0.0026, Ka (HA-) = 0.0000000077

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Q: The pOH of an aqueous solution of 0.371 M dimethylamine (a weak base with the formula (CH2),NH) is

A: Given: Concentration of dimethylamine = 0.371 M Kb of = 5.9×10-4

Q: What is the pH of a solution of 0.25 M NACN? Ka for HCN = 4.9 x 10 10 %3D

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Q: Enough water is added to 0.35g of benzoic acid to make 1000 mL of a solution. What is the pH?…

A: Given: Mass of benzoic acid=0.35 g Volume of solution=1000 mL =1 L Ionization constant for benzoic…

Q: What is the pH of a 0.690 M solution of NACN (Ka of HCN is 4.9 x 10 10)?

A: Given, The concentration of the solution of NaCN = 0.690 M Acid dissociation constant (Ka) = 4.9 x…

Q: HCN is a weak acid (?a=6.20×10^−10) , so the salt, KCN , acts as a weak base. What is the pH of a…

A: Given, HCN is a weak acid with Ka =6.20×10-10 and so the salt, KCN acts as a weak base.we are asked…

Q: The pOH of an aqueous solution of 0.509 M diethylamine (a weak base with the formula (C,H),NH) is

A: Given: concentration of diethylamine = 0.509 M Kb of diethylamine = 6.9×10-4

Q: HCIO is a weak acid (K, = 4.0 x 10-) and so the salt NaCIO acts as a weak base. What is the pH of a…

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Q: What is the pH of a 3.50 M solution of NaCN?

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