A buffer solution is 0.449 M in HNO, and 0.365 M in KNO, . If K, for HNO, is 4.5×104 , what is the pH of this buffer solution?

Q: The pH of a solution that contains 0.010 M H3O+ is

A: The concentration of [H3O+] = [H+] = 0.01 M.

Q: A buffer solution is 0.316 M in CH;COOH and 0.275 M in CH3COON . If K, for CH;COOH is 1.8×10³ , what…

A: Concentration of CH3COOH=0.316M Concentration of CH3COONa=0.275M Ka of CH3COOH=1.8×10^-5 pH=?

Q: The pH of an aqueous solution of weak monoprotic acid is 3.15. What is the initial…

A: Value of pH is sued to measure acidity or basicity of a solution. Value of pH lies in the range from…

Q: What is the pH of a 0.370 M solution of Ca(NO₂)₂ (Ka of HNO₂ is 4.5 × 10⁻⁴)?

A: Given : Concentration of Ca(NO2)2 = 0.370 M And Ka of HNO2 = 4.5 X 10-4  Since Ca(NO2)2 is a…

Q: 7) What is the pH of a solution (aq., 25 oC) of a 25.0 mL sample of 0.300 M Ba(OH)2 that has 50.0 mL…

A: Given data contains, Molarity of Ba(OH)2 is 0.300 M. Volume of Ba(OH)2 is 0.025 L. Molarity of HNO3…

Q: Calculate the pH of the resulting solution when 30.0 mL of 0.16 M KOH are added to 46.0 mL of 0.15 M…

A: When KOH ( a strong base ) is added to HClO ( a weak acid , they would react to form a buffer…

Q: Calculate the pH of a 0.25 M solution of aluminum chloride, which dissolves completely to give the…

A: Concentration of aluminum chloride solution = 0.25 M   The equation for the reaction: Al(H2O)63+(aq)…

Q: Calculate the pH of a solution (aq., 25 oC) when 25.00 mL of 0.250 M KOH is added to 25.00 mL of…

A: Answer :-  pH = 4.20  The pH of a solution, when 25.00 mL of 0.250 M KOH is added to 25.00 mL of…

Q: You are studying a clear solution and you added the pH indicator methyl violet. The colour range of…

A: The color of a solution of pH 0.2 is needed to be determined on the addition of an acid-base…

Q: Milk of magnesia is a suspension of magnesium hydroxide in water. Although Mg(OH)2 is relatively…

A: pH of milk of magnesia = 10.08 volume of  milk of magnesia = 3.6 tablespoons

Q: calculate the pH of a solution containing 4.71g of KOH (FW: 56.106) dissolved in 200 ml of water

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

Q: Suppose 0.100 mol of NaCH3COO is dissolved in enough water to make 1.00 L of solution. What is the…

A: pH is referred to the potential of hydronium ion and is calculated by taking the negative log value…

Q: Nitrous Acid (HNO2) has a Ka value of 5.6x10–4. Calculate the pH of a solution that is 0.00298 M…

A: pH = -log[H+] For a weak acid solution: [H+] = (Ka x C)1/2 Where, C = molarity of acid

Q: A buffer solution is 0.453 M in KH2PO4 and 0.271 M in K2HPO4. If Ka for H2PO4- is 6.2x10^-8, what is…

A: Buffer solutions show resistance to change its pH upon addition of strong acids or bases, which is a…

Q: What is the pH of a 0.320 M solution of Ca(NO₂)₂ (Ka of HNO₂ is 4.5 × 10⁻⁴)?

A:

Q: HCIO is a weak acid (Ka = 4.0 × 10-8) and so the salt NaClO acts as a weak base. What is the pH of a…

A: Kw = Ka x Kb  Kw = 1x10-14  given that Ka = 4x10-8 find Kb = (1x10-14) / (4x10-8) = 2.5x10-7 Initial…

Q: What is the concentration (in molarity) of H+, HCO3−, and CO32–, in a solution that is initially…

A: Given the initial concentrations of  H2CO3 = 0.0100 M initial concentrations of  Na2CO3 = 0.000010 M…

Q: A buffer solution is 0.444 M in CH3COOH and 0.346 M inCH3COONa . If Ka for CH3COOH is 1.8×10-5 ,…

A: pH of buffer solution is calculated using formula  pH = pKa + [CH3COONa] / [CH3COOH]

Q: The sample of 30.00 mL of 0.015 M HClO is titrated with a 20.00 mL of a 0.015 M NaOH solution. (a)…

A: In quantitative analysis,acid-base titrations are carried out to find the concentration of unknown…

Q: A buffer solution is made that is 0.411 M in CH3COOH and 0.411 M in CH3CO0NA. (1) If K, for CH3COOH…

A: Answer:- This question is answered by suing the simple concept of calculation of pH of a solution…

Q: NH3 is a weak base (Kü = 1.8 x 10-5) and so the salt NH4Cl acts as a weak acid. What is the pH of a…

A: Kb value of ammonia = Concentration of NH4Cl= 0.046 MDetermine the pH of solution.

Q: Calculate the pH and the pOH of these solutions:   (c) 0.957 M HC2H3O2 (Ka = 1.8 x 10-5) pH =   pOH…

A:

Q: A solution of acids is made by mixing 0.19 M HNO3 and 0.45 M CH3COOH (Ka (CH3COOH) = 1.8 x 10-5).…

A: To calculate the pH of the solution, we need to consider the acid dissociation reactions of both…

Q: HCIO is a weak acid (Ka 4.0 x 10-8) and so the salt NaCIO acts as a weak base. What is the pH of a…

A: Given data; Ka=4×10-8Also, Kw=Ka×KbAnd,Kw=1×10-14 Consider the dissociation of given weak acid as;…

Q: When 14.08 mL of 0.1594 M NaOH is added to 25.00 mL of 0.1235 M HX (an unknown weak acid), the…

A: Given, Volume of NaOH = 14.08 mL Molarity of NaOH = 0.1594 M Volume of unknown weak acid =25.00 mL…

Q: What is the pH of a 0.820 M solution of Ca(NO₂)₂ (Ka of HNO₂ is 4.5 × 10⁻⁴)?

A: The pH of the solution is equal to the negative logarithm of hydronium ion while pOH of the solution…

Q: You have a 0.189 M solution of propanoic acid.  You add enough sodium propanoateto make the solution…

A:

Q: A buffer solution is made that is 0.496 M in H2S  and 0.496 M in NaHS . If  Ka1 for H2S  is 1.00 x…

A: The question is based on the concept of buffer solution.   A buffer is a solution which resist any…

Q: If 34.6 mL of a 0.68 M NaOH solution is added to a 51.9 mL sample of a 0.68 M weak acid, HA , what…

A: 34.6 mL of a 0.68 M NaOH solution is added to 51.9 mL sample of a 0.68 M weak acid, HA (ka = 1.8 x…

Q: The sample of 30.00 mL of 0.015 M HClO is titrated with a 20.00 mL of a 0.015 M NaOH solution.  (c)…

A: The reaction can be given as follows: HClO(aq)+NaOH(aq)→NaOCl(aq)+H2O(l) Molarity of HClO = 0.015 M…

Q: the pH of a 0.520 M solution of Ca(NO₂)₂ (Ka of HNO₂ is 4.5 × 10⁻⁴

A:

Q: Calculate the pH of a solution (aq., 25 oC) when 20.00 mL of 0.284 M HNO3 is mixed with 30.00 mL of…

A:

Q: Suppose 0.0013 mol HA and 0.0013 mol A− are present in 170. mL solution and the pH is 4.00. What is…

A: We have to calculate the acid dissociation constant value.

Q: A buffer solution is 0.387 M in HNO2 and 0.314 M in NaNO2 . If Ka for HNO2 is 4.5×10-4 , what is the…

A: Buffer is a solution which resists the change in pH of a solution by the addition of acid or base.…

Q: Morpholine is a common additive used for pH adjustment in fossil fuel and nuclear power plant steam…

A:

Q: Calculate the pH of a solution (aq., 25 oC) when 60.00 mL of 0.0500 M NH3 is titrated with 25.00 mL…

A: Ammonia and hydrobromic acid will do acid-base reaction.

Q: Milk of magnesia is a suspension of magnesium hydroxide in water. Although Mg(OH)2 is relatively…

A: given, pH of solution = 10.08

Q: What is the pH of a 0.0338 M nitric acid, HNO3, solution?

A:

Q: The acid ionization constant for Fe(H2O6)3+ is 7.7x10^-3. Calculate the pH of a 0.3300 M solution of…

A: The question is based on the concept of chemical equilibrium. we have to calculate pH of the given…

Q: Consider the titration of formic acid, HCHO, with barium hydroxide. (a) Write a balanced net ionic…

A: Given: Titration of HCOOH with Ba(OH)2.

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.