Which of the following acids would be the weakest?     HClO (Ka = 3.0 × 10-8) HNO2 (Ka = 4.5 × 10-4) HF (Ka = 6.8 × 10-4) HCN (Ka = 4.9 × 10-10)

Q: Predict whether aqueous solutions of the following salts will be acidic, basic, or neutral, and…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3.Please resubmit the question and…

Q: How many moles of HA would need to be added to 481 mL of 0.816 M NaA to produce a solution with a pH…

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Q: Ka for hypochlorous acid HCIO is 3.0 x 10-8. Calculate the pH after the addition of 15.0o mL of…

A: Initial moles of HClO = Molarity ×Volume = 0.100 M × 40.0 mL = 4mmoles Initial moles of NaOH =…

Q: At 10 °C the Kw is 2.93 x 1015 It you have at solution of 1.23 x 10 M solution of (H,O) at 10 °C…

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Q: Which of the following solutions has the lowest pH at 25•C? 1. O.1 M ammonia 2. 0.1 M acetic acid 3.…

A: Hydrogen ion concentration is an important parameter of an aqueous solution. The concentration of…

Q: 07-13: The diprotic acid Hal. has Kar-1.4 x 10 and Kaz -1.2 x 10-10 97-Calculate the molarity of H"…

A: The acid H2L is a diprotic acid in which there are two protons that can be released. Frist…

Q: H3 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…

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Q: Strong Bases; Calculate pH [base] [H3O"] pH Step 1 The strong base dissociates completely in aqueous…

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Q: Which of the following salts give acidic aqueous solutions? (1) KNO3 (2) KCH3COO (3) NH4NO3 (4)…

A: Strong acid + strong base = neutral Strong acid + weak base = acidic solution Weak acid + strong…

Q: Which list has the conjugate bases of these acids in order of decreasing strength? (Strongest to…

A: pKa = - log Ka Ka increases pKa decreses

Q: Calculate the pH for a 0.0183 M pyrophosphoric acid solution (H4P2O7).  Pyrophosphoric acid has…

A: Pyrophosphoric acid has three dissociable protons. The dissociation reactions are as follows:…

Q: Which of these salts is correctly matched with the pH of its aqueous solution?   a. CH3NH3Cl, pH >…

A: ->If salt is of strong acid and weak base then it's pH<7 ->If salt is of weak acid and…

Q: 4. Rank the following Acids from strongest to weakest a) K, = 4 x 106 b) pK, = 3.8 C) K, = 2 x 10-3…

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Q: The [OH-] = 1.3 x 10-° M for a 0.025 M solution of a weak base. Calculate the value of Kb for this…

A: Consider reaction for the weak base is as follows; Reaction:      BOH aq        +        H2Ol…

Q: In which of the following aqueous solutions does the weak acid exhibit the highest percentage…

A: Percentage ionization is given as: More Stronger the acid, More will be  [H+]

Q: find the pH of the 1 M solution, H2SO4 given that in the second stage of dissociation the acid H2SO4…

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Q: 5.00 g NaOH and 5.00 g Ba(OH)2 were used to prepare 1L solution each. Which solution will be more…

A: Consider the given information is as follows; Mass of NaOH = 5.00 g Mass of Ba(OH)2 = 5.00 g Volume…

Q: Which of the following 1.0 M solutions would have the lowest pH? Weak Weak Ка Kb Acid Base HCN 4.9 x…

A: B) HONH3Br

Q: consider 0.10 M aqueous solutions of each of the following substances: HlO, NH4ClO4, HClO4, KlO,…

A: Given :  Ka for HIO = 2.3 x 10-11  Ka for HClO4 = 107  Kb for NH3 = 1.8 x 10-5

Q: 4. Out of the following, which is incorrect? a) The pH of a solution containing only an acid is…

A: We have to predict the incorrect statement.

Q: Calculate the percent ionization of a 0.100 M solution of acetic acid. HC2H3O2 + H2O_____> H3O+ +…

A: Given- Concentration of solution =0.100M HC2H3O2+ H2O->H3O^+ +C2H3O2^-.       Ka=1.8times

Q: Ka for formic acid, HCOOH, is 1.80×10-4. Ka for nitrous acid, HNO2, is 4.50×10-4. Ka for…

A: The more ka value of acid the more acidic and the conjugatebase of that strong acid is weakest…

Q: Which of the following salts is most likely to form an aqueous solution having the pH shown in the…

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Q: For the aqueous solutions tested on video, identify which of them are acids and which are bases.…

A: The spices which are capable of producing H+ ions in the solution are known as acidic. And the…

Q: Which of the following acids at 0.1 M concentration has the lowest pH(most acidic) in an aqueous…

A: The lowest pH means the strongest acid.

Q: Which of the following salts are basic? LiF C5H5NHCl KIO Na2SO3  RbBr

A: EXPLANATION: LiF - It contains Strong acid and Strong base.Hence,it is neutral. C5H5NHCl - It is a…

Q: Determine the pH of a solution made of 0.0082M H3PO4 and 0.0046M Na2HPO4. (Ka of H3PO4 = 7.11 x…

A: Balance chemical equation:                                   H3PO4 + Na2HPO4  ----->   2NaH2PO4…

Q: If the concentration of hydronium ions, H3O+, in a solution at 250C equals 8.3 x 10-4 M, what is the…

A: Concentration of hydroxide ion can be calculated as follows

Q: NH3 NH2 e.. :S-CH3 + + HS-CH3 pka = 10.4 pka = 4.6

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Q: Calculate the pH when 1.03 g of NaClO (FW = 74.44 g/mol) is added to 44.4 mL of 0.50 M HClO. Ignore…

A: Answer: In this question we have to calculate the pH of the buffer made of HClO and NaClO.

Q: How many grams of NaOH (MW=40.0 g/mole) do you need to add to 50.0 ml of a 0.2 M weak acid HA…

A: Given data contains, Concentration of HA is 0.2 M. Volume is 50.0 mL. Ka is 4×10-6. The moles of HA…

Q: find the  pH of a 0.00250 M solution of dimethylamine, (CH3)2NH? : Atoms First.  The ionization…

A: pH is used to determine the concentration of hydronium ion.

Q: Find the a0 and a1 values ​​of hypochlorous acid in a solution with a pH of 7.0. (Ka = 3x10^-8 for…

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Q: Complete the following table by filling in the empty spaces. Indicate if the solution is acidic,…

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Q: Calculate the pH of a solution that is 0.15 M H2CO3 and 0.10 M NaHCO3 (Ka = 4.3 X 10-7).

A: Buffer is a system that prevents change in its pH when any acid or base is added to it. These…

Q: the pH of a solution of 15 g NH4Cl and 15 g of NH3 in a 850mL solution? The Kb for NH3 is 1.8 x 10-5

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Q: Calculate the [H +], [OH -], pH , pOH of 0.005 M NH3 Kb= 1.8 x 10 -5

A: Ammonia is a weak base hence it dissociated less

Q: What is the pH (to two decimal places) of a 50.0 mL 0.15 M NH3 aqueous solution (at 25 °C) after…

A: Given data,Molarity of NH3=0.15MVolume of NH3=50mL=0.050LMolarity of HCl=0.20 MVolume of…

Q: Indicate whether each of the following solutions is an acidic, a basic, or a neutral solution. Drag…

A: We need to check with the help of [H3O+] and [OH-], if the solution is acidic or basic.

Q: Calculate the pH of a 0.561 M solution of a triprotic weak acid, H3A, given the acid ionization…

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Q: 8) Acids (listed in order of strength) HCIO4 HCI H3O* NH4* H20 NH3 Label each substance "acid" or…

A: Order of acidic strength

Q: Calculate the percent ionization of acetic acid (HC2H3O2) in solutions of each of the following…

A: Percent ionisation is the ratio between how much initial weak acid dissociates to produce H3O+ at…

Q: Calculate the pH of the solution formed when 0.00 mL of 0.0440 M NaOH is added to 48.20 mL of 0.0440…

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Q: HIO3 has a ka of  0.16. What is the pH of a 0.600 M HIO3 solution? (use successive approximations)

A: The strength of an acid depends on the extent of its dissociation in water. Strong acids dissociate…

Q: K, for formic acid, HCOOH, is 1.80 × 10-4. K, for hydrocyanic acid, HCN, is 4.00 × 10-10. K, for…

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Q: If 0-2 pH is considered strongly acidic, 2-7 is weakly acidic, 7.0 is neutral, 7-12 is weakly basic…

A: pH is basically defined as negative log of concentration of H+ ions.  The correct explanation and…

Q: Find the pH of a 0.4M aqueous hydrocyanic acid solution. For HCN, Ka=4.9 x 10^-10     4.85…

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Q: What is the percent ionization of a 0.50 M solution of pyruvic acid, HC3H3O3? (Ka 4.1 x 10-3

A: Pyruvic acid is a monoprotic acid. When it reacts with water, it releases H+ ions and forms H3O+ .…

Q: Calculate the pH of a 0.20 M C2H5NH2 solution. Kb=5.6x10-4

A: C2H5NH2 is a weak base. pH of this solution  = 12.04