Given that at 25.0 °C ● calculate ● -10 Ka for HCN is 4.9 × 10- and Kb for NH3 is 1.8 × 10-5, ● Kb for CN and K₂ for NH4+. Enter the K₁ value for CN- followed by the Ka value for NH4 separated by a comm + "

Q: There is a solution containing 500 mL of 0.2M HA (aq) and 500 mL of 0.2M HCL (aq). What is the…

A: Answer:Since, HA is a weak acid and HCl is strong acid, therefore, H+ ions coming from HCl will…

Q: Q1:Chose the correct answer from 1-The [HO] in a 0.050 M solution of Ba(OH), is: (a) 1.0 x 10' M (b)…

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

Q: (a) Calculate the percent ionization of 0.00730 M carbonic acid (Ka = 4.3e-07). % ionization (b)…

A: Percent ionisation is calculated using formula : % ionisation = ( [ H+] / [ Acid ] ) × 100 Where , […

Q: -8 What would be the pH of a solution 5. The K, for hydroxylamine, HONH2, is 1.1 x 10 prepared by…

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Q: Calculate the equilibrium pH of a solution that is initially 0.1M in both HCH COO and NaCH COO. Ka…

A: The objective of the question is to calculate the equilibrium pH of a solution that is initially…

Q: Would you expect Fe2+ to be the stronger Lewis acid? Explain.

A: A Lewis acid is a substance that accepts a pair of electrons.  A Lewis base is a substance that…

Q: 6:15 Question 16 of 22 2- 3C₂² Write the basic equilibrium equation for NH3. Be sure to include the…

A: Equilibrium refers to a state where the rates of the forward and reverse reactions are equal,…

Q: Sodium nitride (NaNO2) is often used as a preservative for meats. a) Knowing that the Ka of nitrous…

A: Salt hydrolysis mainly takes place when one of the component of salt is weak. The weak part of a…

Q: What is the pH of a 100.0 mL 0.0500m HCN(aq) solution which is mixed with 5.00 mL 0.200 M KOH(aq) ?…

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Q: A 0.0200 M solution of a certain monoprotic weak acid is 18.0% ionized. What is the value of Ka for…

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Q: A particular sample of vinegar has a pH of 2.70. ▾ Part A If acetic acid is the only acid that…

A: Acetic acidCH3COOH is the only acid that vinegar contains. Ka of acetic acis is 1.8×10-5 and the…

Q: identify if each of the following substances are acidic, basic, or neutral. a) SrCl2 | b) Mnl4 C)…

A: The given compounds SrCl2, MnI4, and CrS are all salts and formed by the mixing of acid and a base.…

Q: An aqueous solution of hypochlorous acid is used a disinfectant in many sanitizing sprays and…

A: The dissociation constant of HOCl is found to be…

Q: Given Ka for HNO2 = 5.0 * 10 ^ - 4 1. What is the pH after the reaction of 30.0 mL of 0.25 M HBr…

A: Q1) According to the law of equivalence, an acid exactly neutralizes the same number of equivalents…

Q: For a 0.0494 M aqueous solution of cyanic acid, HCNO (Ka = 3.5*10-4), determine the following. What…

A: Given Data : 1. Molarity of cyanic acid solution = 0.0490M 2. Dissociation constant of cyanic acid…

Q: NH3 is a weak base (K, = 1.8 × 10-5) and so the salt NHCI acts as a weak acid. What is the pH of a…

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Q: At 25°C, what is the hydronium ion concentration in the following with discussing your result:- )…

A: The hydronium ion concentration can be found from the pH by the reverse of the mathematical…

Q: . If BaCl2 completely dissolves in water, what is the ionic strength of a 0.0300 F solution of…

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Q: Calculate the pOH of a solution containing 0.35 M sodium acetate (NaCH3CO2). The Ka for acetic acid…

A: We don't need to change ka to kb . If you want to change then use the formula  kB= kw/ka   Sodium…

Q: Write the basic equilibrium equation for HS⁻. Be sure to include the proper phases for all species…

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Q: Write the basic equilibrium equation for HS. Be sure to include the proper phases for all species…

A: Acids when dissolve in water give H+ ions and the equation is called acidic equilibrium equation.…

Q: Consider the reaction of 75.0 mL of 0.350 M C₅H₅N (Kb = 1.7 x 10⁻⁹) with 100.0 mL of 0.393 M HCl.…

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Q: Methyl red is a pH indicator. It turns red if the pH drops to 4.4 or lower, and turns yellow in…

A: Methyl red indicator turns red if the pH drops to 4.4 or lower andIt turns yellow if the pH is 6.2…

Q: 16.5 mL of 0.1000M HCI are required to titrate a 10.00 mL aliquot of a saturated strontium hydroxide…

A: The productof the ionic concetrations of a electrolyte that at one temperature can continue in…

Q: The acid-dissociation constant for chlorous acid, HCIO,, at 25C' is 1.0x10. Calculate the…

A: According to guidelines i can answer only first question. please repost with the second one given…

Q: Write the chemical equations for the dissociation of each of the following substances and determine…

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Q: Ionic compounds are strong electrolytes which means they typically ionize completely to form the…

A: Given, Ionic compounds are strong electrolytes which means they typically ionize completely to form…

Q: 45 Carbonic acid, H,CO, is a diprotic acid and thus, has two K values: K = 4.3 ×10-7; 3 (aq)> a K =…

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Q: to be 1.48 at 25°C. Calculate the Ka for the acid. 3. What is the original molarity of an aqueous…

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Q: your result:- ) 0.350 M chloroacetic acid? Given, Ka=1.36x10³, Kw=1×1014 ) 0.420 M sodium…

A: 1) for the weak acid  H+= √ka×C  2) for the salt of strong base and weak acid we use salt hydrolysis…

Q: 2.  The ionization constant for acetic acid is 1.8 x 10-5. How many grams of NaC2H3O2 must be added…

A: The Henderson Hasselbalch equation for acidic buffer is given as :

Q: What is the pH of an aqueous solution that is 0.1M NHẠC1? The Kb value for NH3 is 1.8 x 10-5

A: Given, Molar concentration of NH4Cl = [NH4Cl] = 0.1 M Base dissociation constant of NH3 = Kb = 1.8…

Q: Fill in the blanks: Ka of acetic acid is 1.80 x105 and that for hypochlorous acid is 3.0 x 108 The…

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Q: In the laboratory, a general chemistry student measured the pH of a 0.597 M aqueous solution of…

A: In the laboratory, a general chemistry student measured the pH of a 0.597 M aqueous solution of…

Q: n the laboratory, a general chemistry student measured the pH of a 0.477 M aqueous solution of…

A: According to the question we have, The molarity of the aqueous solution of benzoic acid  C6H5COOH is…

Q: A 19 mL solution of 0.100 mol L-1 HCl is titrated using 0.150 mol L-1 NaOH. What is the pH of the…

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Q: When 0.100 M of following acids are titrated with the same NaOH solution, which has the highest pH…

A: Let the acid be HX and then the reaction taking place between the acid and base NaOH is- HX+…

Q: Ka

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Q: a 0.3 M solution of a weak HX acid has a pH of 1.5. What is the dissociation constant of the acid?

A: The concentration of weak HX acid = 0.3 M The pH of acid = 1.5 Here I have calculated the value of…

Q: 5) and 6)

A: “Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Write the K₂ expression for an aqueous solution of hypochlorous acid: (Note that either the…

A:

Q: 10. 0.02 mole of NH,OH and 0.03 mole of NH,Cl are mixed in 300 ml, what is the pH of the solution?…

A: this solutions form a basic buffer solution.

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

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".