1a) Determine the pH of 0.035 M NaF (pKa = 3.1).   1b) Determine the pH of 0.055 M oxalic acid (H2C2O4; Ka1 = 5.6x10-2; Ka2 = 5.4x10-5).

Q: Calculate the pH of 0.10 M solution of hypochlorous acid, HOCl, Ka = 2.9 x 10-8 (Weak acid) HOCl ⇌…

A: In multiple questions we solve only first question according to the Bartleby guideline. First find…

Q: Calculate the pH of a 0.0488 M aqueous solution of acetylsalicylic acid (aspirin) (HC9H7O4, Ka =…

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Q: A.) In the laboratory, a general chemistry student measured the pH of a 0.589 M aqueous solution of…

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

Q: We mix 0.08 moles of chloroacetic acid (ClCH2COOH) and 0.04 moles of sodium chloroacetate…

A: Answer :- Buffer solution :- It is made up of weak acid & its salt Or weak base & its salt.…

Q: Question 1

A: From the given dissociation of sodium formate-

Q: 20 ml 01 M HNO3 SA 2 mg NaOH SB 10mi 0.1 M H₂CO3 u 0.15m Na₂CO3 WB 5ml Find PH na₁ = 10-3 192= 107

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Q: Lactic acid, HC3H5O3, is found in sour milk. What is the pH of 0.30 Mlactic acid? (Ka = 1.4 ××…

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Q: Determine the pH and pOH of 0.25 L of a solution that is 0.0196 M  boric acid and 0.0321 M  sodium…

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Q: Table 2. pH Measurement of various substances using paper indicators and pH meter and the…

A: The pH of a substance can be given as follows; pH = -log [H+]   ------ (1) Thus it is defined as the…

Q: Abbreviating malonic acid, CH2(CO2H)2, as H2M, find the pH and concentrations of H2M, HM, and M2…

A: a.

Q: What is the pH of a grapefruit that contains 0.007 M citric acid solution (C6H8O7)?   C6H8O7(aq) +…

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Q: Determine the pH of each of the following solutions. (a) 0.112 M acetic acid (weak acid with Ka…

A: pH : It is scale which measures the acidity or basicity of the solution  under observation. If pH…

Q: Determine the pH of a 0.581 M aqueous solution of KF. For hydrofluoric acid, Ka = 7.0 × 10−4.

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Q: For nitrous acid, HNO2, Ka = 4*10^-4. Calculate the pH of 0.69 M HNO2. 1.78 3.56 0.16 12.22 None of…

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Q: Lactic acid, HC3H5O3, is found in sour milk. What is the pH of 0.30 M lactic acid? (Ka = 1.4 ××…

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Q: pH Calculations of Polyprotic Systems b.)What is the pH of 0.1000 M NaH2PO4? (Ka1 = 6.9x10-3,…

A: Given :  Ka1 = 6.9 x 10-3  Ka2 = 6.2 x 10-8  Ka3 = 4.8 x 10-13  Concentration of NaH2PO4 = 0.1000 M…

Q: Calculate the pH of a 50 mL solution of 0.20 M oxalic acid (pKa1 = 1.25, pKa2 = 4.27) by mixing 50…

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Q: If the pH level of a fluid is 8.4, what is [H+] for the fluid? Give exact and approximate answers

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Q: 1.) HA is a weak acid. Its ionization constant, Ka, is 3.1 x 10-13. Calculate the pH of an aqueous…

A: 1)  The ionization constant for the weak acid is = 3.1 x 10-13 The initial NaA concentration is =…

Q: acid base K K₂b name formula name formula 10 nitrous acid HNO₂ 4.5 x 10 aniline |C HạNH, | 4.3 × 10…

A: Ka value of acetic acid = 1.8×10-5 Ka value of HNO2 = 4.5×10-4 Kb value of aniline = 4.3×10-10…

Q: Calculate the pH of a solution that contains 3.9 x 10 -5  M H3O⁺  at 25°C.     4.41     9.59…

A: Please find your solution below :

Q: 1.) HA is a weak acid. Its ionization constant, Ka, is 3.1 x 10-13. Calculate the pH of an aqueous…

A: Answer:- This question is answered by using the simple concept of calculation of weak acid and the…

Q: Determine the pH of a 0.62 mol L-1 NH4NO3 solution at 25oC. The Kb for NH3 is 1.76 x 10-5. Select…

A: Ammonium  nitrate is the salt of weak base and strong acid. When it is dissolved  in water it…

Q: What is the pH of 0.025 M aqueous acetate ion? (Kb of CH3CO2– = 5.6 ×× 10–10)

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Calculate the pH of a solution (aq., 25 oC) prepared by dissolving 23.632 g of solid methylammonium…

A: Given: Mass of CH3NH3Cl = 23.632 g Molar mass of CH3NH3Cl = 67.518 g/mol Molarity of CH3NH2 = 1.10 M…

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: Determine the pH of 0.188 M  basic solution.  The kb of the base =1.76e-5

A: Using concept of PH determination of weak base by applying following formulas x=√KbC PH+POH= 14

Q: Calculate the pH of a 0.094 M solution of formic acid, H2CO2. The Ka of formic acid 4 x 10-4 Submit…

A: In case of weak acids , the H+ ion concentration is given by the following formula  [H+] = (Ka×C)1/2…

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: Determine the pka of an acid whose concentration is 0.100M and pH is 2.86.

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Q: The Henderson-Hasselbalch equation for the reaction can be written as :  pH = pKa + log ([A–]/[HA])…

A: The Henderson-Hasselbalch equation for the reaction can be written as :  pH = pKa +log[salt][acid]…

Q: What is the pH of a solution of 50.00 mL of 0.07500 M hydroxyacetic acid, Ka = 1.48 x 10^-4, after…

A: Concentration of solution = 0.07500 M Acidic constant of solution = 1.48 × 10-4       Volume of…

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: What is the pH of 0.075 M methylammonium bromide, CH3NH3Br?  (Kb of CH3NH2 = 4.4 × 10−4.)

A: The value of Kb for the given weak base methylammonium bromide is = 4.4x10-4 The concentration of…

Q: Methyl Amine (CH3NH2) is a weak base with a Kb of 4.38 x 10-4. What would be the pH of a solution of…

A: The above salt is a mixture of weak base and strong acid. When it dissolves in water it forms an…

Q: For H2CO3, Ka1= 4.3 x 10^-7, Ka2= 4.7 x 10^-11. What is the pH of a 0.28 M solution of carbonic…

A: H2CO3 is a weak acid.  pH = 0.5pKa - 0.5logC ....(1) Here, pKa1 = -logKa1 = -log(4.3*10^-7) = 6.37…

Q: Calculate the pH of a 0.020 M solution of phenylacetic acid, C6H5CH2COOH. What will be the pH if the…

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Q: 1. Calculate what pH should be for Mg2+ at 1.31 x 10-2 concentration. (Mg(OH)2(s) Mg2+ (aq) +…

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Q: An acid mixture contains 0.60 M HClO (Ka = 2.9 × 10−8) and 0.50 M H2O2 (Ka = 2.4 × 10−12).  What is…

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Q: What is the pH of a solution containing 0.818 M acetic acid (CH3COOH, Ka = 1.76 x 10 -5) and 0.172 M…

A: Given: Concentration of acetic acid CH3COOH = 0.818 M And concentration of CH3COONa i.e sodium…

Q: A.) What is the pH of a 0.25 M solution of sodium propionate, NaC3H5O2, at 25°C? (For propionic…

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Q: The pH of 0.100 M Jackmanic Acid, HJa, is 2.24. What is the value of  Ka for the acid?   a. 5.4 ×…

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Q: What is the pH of a solution made by adding 0.65 mol of acetic acid (H3CO2H) and 0.30 mol of sodium…

A: Given : solution with weak acid i.e acetic acid moles = 0.65 mol And conjugate base salt of weak…

Q: Calculate the pH of this buffer after the addition of 20.00 mL of 3.00 M sodium hydroxide, NaOH, a…

A: Using Henderson - Hasselbalch equation to calculate pH of a buffer    Adding strong base will reacts…

Q: What is the pH of a solution of 0.20 M HNO2 containing 0.10 M NaNO2 at 25 °C. The Ka of HNO2 is 4.5…

A: pH of a solution tells about the nature of the solution whether it is acidic or basic. The values on…

Q: What is the pH of a 0.0100 M solution of acetic acid? Ka=1.8x10-5

A: Dissociation of acetic acid can be written as; CH3COOH →   CH3COO- + H+ Given that concentration of…

Q: What is the pH of a solution in which 21.65 mL of 0.28 M HNO3 is added to 9.95 mL of 0.067 M…

A: HNO3 is strong acid Ba(OH)2 is strong base.

Q: the solution of 2.50 L of a 0.250M CH3CO2H has a pH of 4.20, what is the pH if you add 20.0 mL of…

A: At equilibrium,                              CH3COOH  ⇌  CH3COO-  +  H+  The pH of this solution can…