Calculate the pH of a 0.100 M of NaCH3COO solution. Ka of CH3COOH = 1.8 x 10-5             Ka = Kw/Kb

Q: What is the pH of a 0.640 M solution of Ca(NO₂)2 (Ka of HNO₂ is 4.5 x 10-4)?

A: Given : Concentration of Ca(NO2)2 = 0.640 M And Ka of HNO2 = 4.5 X 10-4  Since Ca(NO2)2 is a…

Q: A buffer solution is made that is 0.456 M in HC10 and 0.456 M in KC1O. If Ka for HC10 is 3.50 ×…

A: The Ka for HClO = 3.50×10-8 We have to calculate the pH of a buffer solution that is 0.456 M in HClO…

Q: 5. Calculate the pH of a 0.15 M solution of NH3. The Kb of ammonia at 25°C is 1.8 x 105. NH3(aq) =…

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Q: What is the pH of a 0.21 M solution of Na2SO3 at 25 °C? For the diprotic acid, H₂SO3, K₁1 = 1.2 x…

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Q: If Kal for H2 CO3 is 4.20 x 10-, what is the pH of the buffer solution? pH = Write the net ionic…

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Q: A buffer solution is made that is 0.400 M in HNO2 and 0.400 M in NaNO2. If Ka for HNO2 is 4.50 ×…

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Q: What is the concentration of CO32– in a 0.030 M solution of carbonic acid, H2CO3? For carbonic acid,…

A: We will use common ion effect

Q: -7 What is the pH of a 0.62 M carbonic acid (H,CO₂) solution given Kal = 4.4 x 10' and Ka2 4.7 x…

A: pH = 3.28Explanation:

Q: The pK, of hypochlorous acid is 7.530. A 53.0 mL solution of 0.150 M sodium hypochlorite (NaOCI) is…

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Q: What is the pH of the solution when 50.0 mL of 0.20 M HI is titrated with 40.0 mL of 0.139 M…

A: Given: Molarity of HI is 0.20 M Volume of HI is 50.0 mL Molarity of Sr(OH)2 is 0.139 M Volume of…

Q: . Consider the titration of the weak acid, benzoic acid, HC,H;O2. Its acid dissociation reaction is:…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A buffer solution is made that is 0.350 M in HNO2 and 0.350 M in NaNO2. If Ka for HNO2 is 4.50 ×…

A: A buffer is a solution which resists any change in pH on adding a small amount of acid or base.  It…

Q: A sample of water has a pH of 5.3. The concentration of bicarbonate (HCO3-) in the sample is 190…

A: The concentration of hydrogen ion and hydroxide ion in mg/L is; H+=10-5.3H+=10-5.3 mol/L×1g/mol×1000…

Q: 0.425 g of antacid is weighed and mixed with excess HCl, then back titrated with NaOH solution. The…

A: Antacid have active ingredient as NaHCO3. The reaction of NaHCO3 and HCl – NaHCO3 + HCl →NaCl +…

Q: A buffer solution is made that is 0.309 M in HN02 and 0.309 M in NaNO2. If Ka for HNO2 is 4.50 x…

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Q: Calculate the pH of a buffer solution that contains 0.950 M CH3NH2 and 1.00 M CH3NH3Cl. (Kb =…

A: Since you have posted a question with multiple independent parts, we will solve first part for you.…

Q: Of the following solutions, which has the highest buffering capacity?           (A) 0.72 M NaH2PO4…

A: Buffer capacity is directly proportional to the concentration of buffer solution. Higher the…

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

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Q: What is the pH of 0.45 M acetic acid to 1.00 L of which 2.80 g of sodium acetate, NaCH3 CO2 , has…

A: A buffer solution is made of a weak acid amd Its conjugate base. Here acetic acid is a weak acid…

Q: 10-4 mole of Cl2 is added to 1 liter of water at 25 °C. Balance the reaction of Cl2 + H2O = HOCl +…

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Q: A water contains the following: C(tot, CO3) = 5 x 10-3M, C(tot, PO4) = 1 x 10-3 M, and C(tot, NH3) =…

A: The objective of this question is to measure of its capacity to neutralize acids and is expressed in…

Q: 5.) A typical aspirin contains 324 mg of aspirin (HC,H,O4) with Ka = 2.8 x 104. If you dissolve two…

A: pH = -log[H+] Aspirin is a weak acid. For a weak acid solution: [H+] = (Ka x C)1/2 Where, C = molar…

Q: A 25.0-mL aliquot of vinegar was diluted to 250 mL in a volumetric flask. Titration of 50.0-mL…

A: The balanced reaction of acetic acid (vinegar) and sodium hydroxide is: CH3COOH + NaOH → CH3COONa +…

Q: What is the pH of a solution of 0.300 M HNO₂ containing 0.160 M NaNO₂? (Ka of HNO₂ is 4.5 x 10-4)

A: The concentration of  solution = 0.300 MThe concentration of  solution = 0.160 M      The  value of…

Q: Determine the pH of a 0.0525M Fe(NO3)3 solution.  Ka of Fe3+ = 6.3x10-3

A: Reaction of ferric nitrate in water is given below Fe3+ is formed from Fe(NO3)3.

Q: Buffers 1. Determine the pH of a solution that contains 0.376 M hydrogen phosphate (HPO ) and 0.468…

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Q: Given the value of Kw = 1.0 × 10^-14 at 25 °C. a. Write the relevant chemical reaction. b.…

A: As the given question consist of multiple sub-parts, so, answer to first three sub-parts have been…

Q: Calculate the pH for a 0.1 M solution of C6H5COOH (K, = 6.46 x 105) and the pH for a 0.2 M %3D…

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Q: A manufacturer has stated that the fluoride level of a mouthwash is 0.04% NaF. Assuming that you…

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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.