The dissociation constant of lactic acid, a monoprotic acid found in sour milk, is 1.4 x 104. A mixture is prepared by dissolving 0.0100 mol of lactic acid and 0.0100 mol NaOH in enough water to form 1.00 L solution. 1. Is the resulting solution a buffer? Explain why or why not. 2. Is the resulting solution acidic, basic or neutral? Explain your answer.

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Q: 4. A pH buffer solution contains 1.383 mole CH3COOH and 1.875 mole CH3COONa. The volume of the pH…

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Q: 7) 150.0 mL of 2.50 M NaOH is added to a 200.0 mL solution of 1.80 M HF. Assume that the volumes are…

A: HF        +     NaOH→    NaF    +     H2O1.80M           2.50M200ml           150mlno. of moles of…

Q: 10mL of solution B has 10mL of water added to it, how does this effect the pH - what two solutions…

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Q: 6. Suppose you have a solution that was prepared by mixing equal amounts of nitric acid (HNO:) with…

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Q: Assuming the source of the acid is HCl, what is the pH of the lake water?

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Q: You want to prepare a buffer with a pH of 7.1. How will you prepare this buffer?

A: Buffer system can be produced by mixing of the weak acid and its salt or a weak base and its salt.…

Q: You add 2.00 mL of 0.200 M NaOH to 50.00 mL of pure water, and to this mixture you then add 12.00 mL…

A: 2.00 mL of 0.200 M NaOH solution is added to 50.00 mL of pure water . Then 12.00 mL of 0.600 M HCl…

Q: Select the statements that correctly describe a buffer. O The pH of a buffer solution does not…

A: A buffer solution is an aqueous solution that consists of a mixture of a weak acid along with a…

Q: Which choice below will increase the pH of a 0.2 M H2S  solution? Group of answer choices Bubble…

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Q: What is the pH of a solution resulting from 5.00 mL of 0.075 M NaOH being added to 45.00 mL. of pure…

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Q: You are titrating a 25.0 mL HCl sample of unknown molarity. It takes 25.4 mL of 0.100M NaOH to reach…

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Q: What is a description of the salt that is used in a buffer solution? O from the conjugate base from…

A: buffer solution resist the change in pH of the solution,  when small amounts of strong acid or base…

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Q: 36. Which will have a lower (the lowest) pH among the solutions shown in each of the following…

A: a) 0.001 M NaOH and 0.005 M NaOH  Since NaOH is a strong base hence it will dissociate completely…

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Q: You add 15.00 mL of 0.700 M NaOH to 50.00 mL of pure water, and to this mixture you then add 5.00 mL…

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A: The question is based on the concept of buffer solutions and calculation of pH of weak acid.

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Q: What is the pH of a buffer solution that is 0.20 M methyl amine, CH3NH2 and 0.18 M methylammonium…

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Q: You add 7.00 mL of 0.100 M NaOH to 50.00 mL of pure water, and to this mixture you then add 12.00 mL…

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Q: 3. You will perform some calculations to see the difference between a pH buffer solution and a weak…

A: The question is based on the concept of buffer solutions and calculation of pH of weak acid

Q: Which of the following is true of a buffer solution? O Buffer solutions must have a pH over 11.0. O…

A: Definition: A buffer solution resists a change in pH when small amounts of acid or alkali are added.

Q: Which of the following mixtures would result in a buffer solution when 1.0 L of the two solutions…

A: A   0.2 M HNO3 and 0.4 M NaNO3 B   0.2 M HNO3 and 0.4 M HF C   0.2 M HNO3 and 0.4 M NaF D   0.2 M…