Calculate the pKa of hypochlorous acid. The pH of a 0.015 M  solution of hypochlorous acid has a pH of 4.64.

Q: Which of the hydrides below will be hydrolysed in water to give a basic solution? А CH B SIH4 с Вн D…

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Q: What is the pH of a 0.0300 M solution of NaNO2? (K, for HNO2 = 4.00 x 104) %3D O 7.00 O 7.94 8.81…

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Q: A pH of 4 is times more acidic than a pH of 7. Aside from hydrogen and helium, a stable atom has…

A: Matching be done as follows: A. Ionic bonds D. Polar Covalent bonds B.Covalent bonds O.…

Q: What is the pH of a 0.35 M solution of hydrofluoric acid with a Ka of 6.6 x 10-4? О 3.23 O 5.47 O…

A: Given: Concentration of HF = 0.35 M Ka of HF = 6.6x10-4

Q: Calculate the pH of a 0.525M solution of hypochlorous acid, HCIO. %3D

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Q: A 0.495M solution of nitrous acid, HNO2, has a pH of 1.83. Calculate the value of Ka for nitrous…

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

A: Given: Concentration of H3PO4 = 0.4 M pKa1 = 2.167 pKa2 = 7.21 pKa3 = 12.32   Calculation for ka…

Q: Explain why the Hydrated salts of beryllium are acidic whereas hydrated salts of magnesium are…

A: But the hydrated beryllium ions (called tetraaquaberyllium ions) are quite strongly acidic. The…

Q: With a pKa of 11.6, hydrogen peroxide is a stronger acid than water. Why?

A: An acid is a substance that can donate protons when dissolved in aqueous solution.

Q: Calculate the pKa of water in ammonia generating hydroxide and ammonium products. H2O = 1.07 M ; OH-…

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Q: Calculate the pH of 1M solution of acedic acid (pKa = 4.76)?

A: The pH of the acetic acid solution can be calculated using the formula shown in belowpKa =…

Q: Calculate the pH of a solution containing 0.3 M HCOOH and 0.1 M HCOO (pKa of HCOOH = 3.76)

A: Concentration of HCOOH (Acid) = 0.3 M  Concentration of HCOO- (conjugate base of acid) =  0.1 M  pKa…

Q: Hydrogen cyanide, HCN(aq), is a weak acid with pKa = 9.2. What is the pH of 2.5 M HCN(aq)?

A: The weak acids' strength is reflected by their dissociation constant (Ka) value. If they possess a…

Q: what is the pH of a 0.15 mol/L solution of hypochlorous acid? the answer should be written to two…

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Q: Calculate the pH of a 0.65 M solution of aqueous bromous acid (HBrO2, Ka = 1.2 x 10-5).

A: Dissociation constant of acid (Ka) - In dissociation reaction of acid, ratio of concentration of…

Q: How does pKa relate to acid strength?

A: For any weak acid, let's say HA, pKa is the relationship between the dissociation constant of acid.…

Q: Which of the following is strongest acid HA (pka = 1) HB (pka = 2) HD (pa = 3) НЕ (pка — 4)

A: Pka of acid is given by the negative logarithm of Ka i.e pKa = -log Ka where Ka is the acid…

Q: What is the conjugate acid of HPO42− ?

A: When the base is added with a hydrogen ion i.e H+ ion it gives the conjugate acid of that base.

Q: The calcium supplements taken by many women are composed primarily of powedered calcium carbonate,…

A: Some compounds or base are helpful in neutralizing excess HCl being produced in stomach. These…

Q: Question attached

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

Q: An Alkali Earth Metal (A) and a halide (B) form the salt AB. Write the chemical equation for AB…

A: If an alkali earth metal A and a halide B Then both A and B can formed a Salt AB2   Alkali earth…

Q: Write the chemical equation for the formation of the Ni(NH3)6+ ion.

A: When solid Nickel hydroxide,Ni(OH)2 is dissolved in aqueous solution of NH3, hexaaminenickel(II) ion…

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

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Q: Calculate the pH and percent ionization of a 0.25M solution of hydrazine, N2H4, Kb = 1.3*10^-6.

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Q: At what pH is the concentration of a compound, with a pKa = 8.4, 100 times greater in its basic form…

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Q: What is the relationship of potassium with PH ?

A: Interpretation- We have to tell the relationship of potassium with the pH -      Introduction -…

Q: 10. A solution of nitrous acid has a pH of 2.10. What is the concentration of nitrous acid in this…

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

Q: Find the pH of a 0.145 M HCIO2(aq) solution. For HCIO2, Ka = 0.011. O 0.84 O 1.46 O 1.34 O 1.40

A: Given: Concentration of HClO2 = 0.145 M And Ka of HClO2 = 0.011

Q: How much is the pKa for ammonium in 21.9 degree celsius?

A: The pka for ammonium in 21.9 degree celsius is 9.3.

Q: Calculate the pH and percent ionization of a 2.5 x 102 45 x 10:4)

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Q: Find the pH of a 0.381 M aqueous solution of hypobromous acid (HOBr), for which Ka = 2.1 * 10-⁹.…

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Q: Calculate the pH of a 0.1M solution of protonated methylamine (pKa =7)

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Q: Predict whether each of the following oxides is acidic, basic,amphoteric, or neutral: (a) NO2, (b)…

A: Acidic oxides : oxides of non - metal are generally acidic in nature as they react with water to…

Q: 20 The figure below shows dry hydrogen gas is passed over a powdered oxide of powdered X dry…

A: Reaction of dry Hydrogen with powdered metal oxide is as follows: H2+ XO→X+H2O . So, the products…

Q: What is An for the following equation in relating K, to K? 2 SO-(g) + 0(g)-2 SO3(g) 1 O 2 O 3 1. 2.

A: Given, an equilibrium chemical reaction2SO2(g)+O2(g)⇌2SO3(g)we are asked to calculate the value of…

Q: What is the hydronium ion concentration [H3O+] of sea water which has a pH of 8?

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Q: At what pH is the concentration of a compound, with a pKa = 3.7, 10 times greater in its acidic form…

A: Given information: pKa = 3.7 [Acid] = 10[Base]

Q: From where is iodine obtained?

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Q: Calculate the pH and ionization percentage of 0.2 M ammonium hydroxide solution if PKa = 4.7…

A: PH = 9 and % = 0.005 %  But this option is not given

Q: Determine the pH of a 10-3 mol/L solution of (a) hydrogen sulfate ion (pKa = 1.99), (b) formic acid…

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Q: A solution of potassium chloride is neutral whereas a solution of bismuth (III) chloride is quite…

A: Potassium chloride (KCl) is the salt of a strong acid, HCl and strong base, KOH. Potassium ions (K+)…

Q: Find the pH of a 0.155 M HClO2(aq) solution. For HClO2, Ka = 0.011.a) 0.92 b) 1.44c) 1.39 d) 0.69

A: The ICE table is:                                  HClO2   ↔     H+ +  ClO2-Initial(M)…

Q: Calculate the concentration of an aqueous solution of Ca1OH22 that has a pH of 10.05.

A: Since Ca(OH)2 is insoluble salt  Hence molar solubility of Ca(OH)2 = concentration of Ca(OH)2 in…

Q: (A) (B) SiO3²-or SO3²-

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Q: What is the pH of a 0.500 M solution of trimethylamine (pKb = 4.13)?

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

A: Given Data

Q: A solution of 1.5 M chlorous acid has a pH of 0.91.  What is the percent ionization of the chlorous…

A: Given, A solution of 1.5 M chlorous acid has a pH of 0.91.  KA = 1.1 x 10−2.

Q: Hypochlorous acid (HClO) is a weak acid with pKa=9.21. For a 0.10 M aqueous solution of nitrous…

A: Given :  Concentration of HClO = 0.10 M  pKa = 9.21

Q: What is the pH of a 0.025 mol/L solution of methanoic acid? K¸ = 1.8 x 10*

A: As methanoic acid is a weak acid, it will dissociate into Methanoate anion and H+ in very small…