What is the pH of a 0.770 M solution of C5H5NHBr (Kb of C5H5N is 1.7 x 10-⁹)?

Q: What is the pH of a solution with [H3O+]=2.42 x 10-4?

A: pH of any solution is given by  pH = -log[H3O+] where [H3O+]= concentration of H3O+ ions

Q: For sulfuric acid, K >> 1 and K is 0.012. Calculate the pH of a 1.2 M solution of HSO.

A: Assuming the solution is H2SO4

Q: What is the [OH-] for the reaction in question 18? (A) 0.25 (B) 2.34 x 10-13 (C) 14 (D) 7.8 (E) 1.00…

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Q: What is the concentration of H+ ions in HCl whose pH is 6.9?

A: Chemical equation of dissociation of HCl is given by, HCl------------> H+ + Cl- Given pH= 6.9 or…

Q: What is the pH of a solution with a fluoride concentration of 0.18 M ? The Kb for F– is 1.47×10-11 .

A: pH: It measures hydrogen ion concentration, which helps in a measure the acidity of the solution,…

Q: What is the hydronium concentration [H3O+] of a solution with a pH of 7.84?

A: We have given that pH is a measure of the hydrogen ion activity usually in aqueous solution.  pH =…

Q: Calculate the hydronium ion concentration, [H3O+][H3⁢O+], for a solution with a pH of 5.61

A: • The values provided in the question are:-      i) pH of a solution = 5.61    • We need to…

Q: Balance the following chemical equation (if necessary): (NH4):PO:(aq) + MgCl2(aq) → Mg3(PO4)2(s) +…

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

Q: What is An for the equilibrium system: N22CO3 (s) + CO2 (g) + H2O (g) =2 NaHCO3 (s)? O 2 O -1 О 2 O…

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Q: 2.2 6. (1) Define pH in words. The strong acid HCl has a pH value of 1, use the following equation…

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Q: What is the pH of a solution that contains 3.9 x 10-5 [H30+]?

A: Given :-  [H3O+] = 3.9 × 10-5 M  To calculate :-  pH of solution

Q: Calculate the H+] and pH of a 3.05 x 10¬4 M nitrous acid solution. The Ka of nitrous acid is 7.10 x…

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Q: What is the pH of a 1.278 M NaH2AsO4 solution

A: There are two types of bases/acids. One is strong base/acid which is completely dissociable into its…

Q: Calculate the concentration of CO²- In an aqueous solution of 0.255 M carbonic acid, H₂CO₂ (aq).…

A: Carbonic acid, H2CO3 is a diprotic acid with Ka1 = 4.47*10-7 and Ka2 = 4.68*10-11  Given the…

Q: Given the reaction  Cl2(g) + H2O(ℓ) = HOCl (aq) + H+(aq) + Cl-(aq)  choose the correct statement:…

A: Given : Different - different statements.  To find : correct statement or true statement. Solution :…

Q: 2. The solubility of slaked lime, Ca(OH)2, in water at 20 °C is 0.185 g/100.0 mL. (a) What volume of…

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Q: 8. What are the [H3O+] and [OH–] of Diet Coke that has a pH of 3.17?

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Q: HA, a weak acid, also forms the ion HA in solution. The reaction is HA(aq) + A (aq) = HA₂ (aq) The…

A: The reaction of the weak acid HA forming HA2- solution:We have to calculate the concentrations of…

Q: In a titration experiment, 32.45 ml of 0.200 M NaOH were required to neutralize 25.00 mL of H2SO4.…

A: Sulfuric acid and sodium hydroxide are strong acid and strong base respectively. They furnish the…

Q: Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three…

A: The dissociation of phosphoric acid undergoes according to the reaction given below.

Q: A patient’s sputum was collected for a laboratory analysis. The results revealed that the [H3O+]…

A: pH of the solution can be expressed in terms of negative logarithm of hydronium ion concentration.…

Q: Describe the pH of the above solution. (pH of a solution containing 1 x 10-7 M of hydronium ions…

A: Since the pH of any solution is given by  pH = -log[H3O+]. where [H3O+] = concentration of H3O+ ions…

Q: Which of the following equations represents the correct reaction between calcium metal and water?…

A: The answer to the following question is-

Q: Calculate the pH of a 0.20 M Na₂CO solution. For CO², Kb₁ = 2.1 x 1 104 and Kb₂ = 2.2 x 10⁹. 3

A: The question is based on the concept of pH of the solution. It is defined as a negative logarithm of…

Q: What are the pH, pOH and [H3O+] for a 2.37x 10–2 M HClO4 solution? HClO4 is a strong mineral acid.

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Q: The acid ionization constant for Pb(H₂O)62+ (aq) is 6.3x10-7. Calculate the pH of a 0.0498 M…

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Q: What is the pH of 8.1 x 105 M HCIO4 solution? Is it acidic, basic or neutral? O 4.09; acidic O 4.09;…

A: • The values provided in the question are:-     i) Concentration of HClO4 solution, [HClO4] = 8.1 ×…

Q: solution of a weak acid has a concentration of 0.133 M. If the solution is also 0.024 M in…

A: concentration = 0.133 M = C Percentage ionisation= 8.69 Hydrobromic acid concentration= 0.024 M We…

Q: CALCULATE PH IF [H3O+] = 4.02 X 10 -3 AND [H3O+] = 8.99 X 10 -7

A: Given[H3O+] = 4.02 X 10-3 [H3O+] = 8.99 X 10-7pH = To be determined

Q: What is the pH of a 0.12 M solution of Na2SO3 at 25 °C? For the diprotic acid, H₂SO3, Ka1 = 1.2 x…

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Q: Calculate the percentage of pyridine (C5H5N) that forms pyridinium ion, C5H5NH+ , in a 0.10 M…

A: Pyridine is a weak base which dissolves in water, dissociates partially into ions. The ions will be…

Q: what is the pH of an aqueous solution of 25.0 mM HClO2 ? given pKa= 1.96

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Q: What is the [H3O+] of an acidic solution that hs a ph of 11.25

A: To calculate  pH  you need to know the concentration of the hydroniumion [H3O+]. The pH is then…

Q: What is the pH of a 0.20 M solution of CH3NH3NO3 at 25 °C? At this temperature, the K₁ for CH3NH2 is…

A: Given:Given is a solution of CH3NH3NO3Concentration of solution = Temperature = 25oCThe pH of a…

Q: If the Ka for Al3+ is 1.00x10-5, then what is the pH of 0.250M Al(NO3)3?

A: Step 1: Step 2: Step 3: Step 4:

Q: What is the equilibrium expression for the equilibrium A (aq) + H3O*(aq) HA(aq) + H,O(l)? [#30*…

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Q: 3. For the following Lewis acid-base reaction, identify the acid, the base, and the new covalent…

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Q: How would you convert CaO + H2O into Ca(OH)2

A: How would you convert CaO + H2O into Ca(OH)2

Q: In an analysis of metal carbonate M2CO3∙3H2O, 1.500g of the unknown carbonate was dissolved in…

A: Given data,  1.500 g of an unknown metal carbonate (M2CO3.3H2O) dissolved in enough water to make a…

Q: How many milliters of 0.1000 N Ba(OH)2 are theoretically required to titrate 0.0300 g of H3AsO4 to…

A: Given data is Normality of Ba(OH)2 solution=  0.1000 N  Mass of H3AsO4 =   0.0300 g

Q: Calculate K₂ or K from experimental data. The pH of a 0.14-M solution of chlorous acid (HCIO₂) is…

A: Since you have posted multiple questions ,we will provide the solution only to the first question as…

Q: . What amount of phosphorite is needed to completely react with 2.00 kg SiO2 (molar mass: 60.083…

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