If a buffer solution is 0.200 M in a weak base (Kb=7.4×10−5) and 0.450 M in its conjugate acid, what is the pH?   pH=

Q: If a buffer solution is 0.230 M in a weak acid (Ka = 3.4 x 10-3) and 0.410 M in its conjugate base,…

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Q: If the K of a weak base is 8.5 x 10-6, what is the pH of a 0.27 M solution of this base? pH =

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Q: If a buffer solution is 0.120 M in a weak acid (Ka = 5.4 x 10-) and 0.480 M in its conjugate base,…

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Q: What is the pH of a solution which is 0.021 M in weak base and 0.039 M in the conjugate weak acid…

A: We have a buffer system of weak base (0.021M) and conjugate weak acid (0 .039M) . We also have the…

Q: When a 25.8 mL sample of a 0.338 M aqueous hydrofluoric acid solution is titrated with a 0.392 M…

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Q: a When you add solid sodium oxalate, Naz C2 04, to 50.0 mL of 0.015 M oxalic acid, H2 C204, what…

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Q: When 25.0 mL of 0.300 M hydrobromic acid and 25.0 mL of 0.300 M ammonia are combined, the pH of the…

A: pH of resulting solution will depend upon nature of resulting solution either acidic or basic.

Q: If a buffer solution is 0.110 M in a weak base (K, = 1.9 × 10-³) and 0.480 M in its conjugate acid,…

A: Given that:  [Base] = 0.110M  [Salt] = 0.480M  Kb = 1.9×10-5 Pkb = -logKb = -log(1.9×10-5) = 4.72…

Q: If a buffer solution is 0.280 M in a weak base (K, = 5.7 x 10-5) and 0.450 M in its conjugate acid,…

A: We have to predict the pH of the solution.

Q: A buffer solution is 0.478 M in H3PO4  and 0.362 M in NaH2PO4 . If Ka1 for H3PO4  is 7.5 x 10^-3 ,…

A: According to the Henderson Hasselbalch equation is given by, Ph = Pka + log ([salt] / [acid] ) The…

Q: The pH of a basic solution will increase, decrease, or stay the same when water (pH 7) is added?

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Q: At 0.0 °C the ion-product constant for water, K, is 1.148 x 1015. What is the pH of pure water at…

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Q: Which of the following sets of compounds, when dissolved in the same solution, forms a buffer…

A: Buffer Solution is a water-based solution or aqueous solution that consists of a mixture of a weak…

Q: what is the pH?

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Q: If 31.4 mL of a 0.75 M NaOH solution is added to a 47.1 mL sample of a 0.75 M weak acid, HA, what is…

A: Molarity of NaOH, M=0.75 M Volume of NaOH, V=31.4 mL Millimoles of NaOH=M x V (in mL)= 0.75 x 31.4…

Q: Which of the following could you add to a solution of the weak acid, hydrosulfuric acid (H2S), to…

A: answer- hydrosulphuric acid 's conjugate base , HS- added to the solution of weak acid , H2S to make…

Q: If a buffer solution is 0.160 M in a weak acid (Ka = 2.1 × 10-5) and 0.580 M in its conjugate base,…

A: The question is about calculating the pH of a buffer solution with the given data -

Q: If the Ka of a monoprotic weak acid is 3.7×10−6, what is the pH of a 0.39 M solution of this acid?

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Q: If a buffer solution is 0.300 M in a weak acid -5, (K = 2.6 x 10) and 0.470 M in its conjugate base,…

A: The Henderson-Hasselbalch equation is given as,

Q: If a buffer solution is 0.170 M in a weak base (?b=3.7×10−5) and 0.540 M in its conjugate acid, what…

A: In question it is not mentioned whether the base is monoprotic or polyprotic. Hence assuming it to…

Q: If a buffer solution is 0.200 M in a weak base ( ?b=6.9×10^-5) and 0.540 M in its conjugate acid,…

A: Given that  Concentration of conjugate acid = 0.540M    Concentration of base = 0.200M  Kb = 6.9×…

Q: If a buffer solution is 0.560 M in a weak acid (Ka=5.3×10−6) and 0.120 M in its conjugate base, what…

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Q: If a buffer solution is 0.290 M in a weak base (K, = 1.4 × 10-5) and 0.580 M in its conjugate acid,…

A: pH of the buffer solution is determined by the Henderson-Hasselbalch equation as shown below: pH =…

Q: An aqueous solution of 0.057 M weak acid, HX, has a pH of 4.65. What is the pH of the solution if…

A: A buffer solution is made with a weak acid and its conjugate base, such solution resist the change…

Q: If a buffer solution is 0.290M in a weak acid (K = 7.2 x 10) and 0.600 M in its conjugate base, what…

A: By using this formula we can calculate the pH of solution .

Q: If a buffer solution is 0.260 M in a weak base (Kb=8.4×10−5) and 0.480M in its conjugate acid, what…

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Q: what is the pH?

A: Given :-  Concentration of weak base = 0.120 M  Concentration of conjugate acid = 0.590 M  Kb = 5.9…

Q: The Ka of a weak monoprotic acid is 1.13 × 10−5 . What is the pH of a 0.0885 M solution of this…

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Q: If a buffer solution is 0.140 M in a weak base (K, = 5.6 x 10-) and 0.400 M in its conjugate acid,…

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Q: If a buffer solution is 0.240 M in a weak acid (Ka = 8.1 × 10-5) and 0.430 M in its conjugate base,…

A: Given,Concentration of salt is given as a 0.430 MConcentration of acid is given as a 0.240 M

Q: The K, of a weak monoprotic acid is 1.65 x 10-5. What is the pH of a 0.0859 M solution of this acid?…

A: In this question, we want to determine the pH of the weak monoprotic acid,  How we can determine the…

Q: 4) Calculate the pH of a solution that is composed of 90.0 mL of 0.345 M sodium hydroxide, NaOH, and…

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Q: If a buffer solution is 0.180 M in a weak base (?b=1.5×10−5) and 0.520 M in its conjugate acid, what…

A: A buffer solution is composed of the weak acid and its conjugate base or weak base and its conjugate…

Q: A buffer solution is 0.389 M in H3PO4 and 0.351 M in NaH PO4. If Kal for H3PO4 is 7.5 x 10°, what is…

A: The given data is as follows:  The concentration of H3PO4 = 0.389 M The concentration of NaH2PO4 =…

Q: Consider a buffer solution contains 0.20 M NaF and 0.30 M HF:- (Ka (HF) = 5.0 x 104 What is the pH…

A: According to Handerson's equation  pH = pKa + logsaltacid=-log[5×10-4]+log0.200.30=-log5-log10-4+log…

Q: If a buffer solution is 0.100 M in a weak acid (K, = 5.7 x 10-5) and 0.530 M in its conjugate base,…

A: We have  0.1 M of weak acid of Ka 5.7*10-5 . Concentration of conjugate base as 0.53 M We have to…

Q: If a buffer solution is 0.210 M0.210 M in a weak acid (?a=5.0×10−5)Ka=5.0×10−5) and 0.490 M0.490 M…

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Q: If the Ką of a monoprotic weak acid is 1.4 × 10-6, what is the pH of a 0.42 M solution of this acid?…

A: Given data, ka = 1.4 × 10-6  Concentration of Weak acid = 0.42 M

Q: If a buffer solution is 0.200 M in a weak base (K = 1.9 x 10-5) and 0.420 M in its conjugate acid,…

A: A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate…

Q: If a buffer solution is 0.200 M in a weak acid (K = 7.1 × 10-) and 0.500 M in its conjugate base,…

A: We have given that  Weak acid = [HA] = 0.2 M Ka = 7.1×10-5  Conjugate base of acid = [A-] = 0.5 M

Q: If the Ka of a monoprotic weak acid is 1.6 x 10-6, what is the pH of a 0.37 M solution of this acid?…

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Q: If a buffer solution is 0.270 M in a weak acid (Ka = 7.5 x 10) and 0.570 M in its conjugate base,…

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Q: If a buffer solution is 0.300 M in a weak base (K₁ = 8.7 x 10-5) and 0.400 M in its conjugate acid,…

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Q: If a buffer solution is 0.240 M in a weak acid (Ka = 3.8 x 10-5) and 0.530 M in its conjugate base,…

A: Introduction Henderson - Hasselbalch equation gets used to calculate the pH for any buffer solution…

Q: If the Ka of a monoprotic weak acid is 4.7 x 10-6, what is the pH of a 0.49 M solution of this acid?…

A: Given Ka = 4.7 x 10-6 C = 0.49 M

Q: If a buffer solution is 0.170 M in a weak acid (?a=4.8×10^-5) and 0.400 M in its conjugate base,…

A: Concentration of weak acid = 0.170 M Concentration of conjugate base = 0.400M Ka = 4.8 × 10-5

Q: Which of these conjugate acid–base pairs will not function as a buffer:C2H5COOH and C2H5COO-, HCO3-…

A: When an acid donates a proton then it changes into base and when base accept a proton it forms an…

Q: If a buffer solution is 0.580M in a weak acid (?a=4.4×10−6) and0.170 M in its conjugate base, what…

A: In this question, we will determine the pH of the buffer solution.  How we can calculate the pH of…

Q: what is the pH?

A: Given :-  Concentration of weak acid = 0.250 M  Concentration of conjugate base = 0.450M  Ka = 5.9 ×…

Q: If a buffer solution is 0.260 M in a weak acid (Ka=2.4 •10^-5) and 0.560M in its conjugate base,…

A: Given : Concentration of weak acid = 0.260 M Concentration of its conjugate base salt = 0.560 M And…

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.