What are the two ways to determine that the equivalence point has been reached in the reaction? O Through the use of an indicator dye known as phenolphthalein and through the reading of a pH vs Volume plot from measured results of a pH-meter. O By holding it up and seeing if a precipitate crashed out of the reaction and using a pH strip to test the solution. O Through the use of an indicator dye known as phenolphthalein and through the reading of a Volume vs pH plot from measured results of a pH-meter. O By smelling and tasting the solution for the loss of acid within the solution

Q: Which of the following aqueous solutions are good buffer systems? . 0.15 M hydrofluoric acid + 0.15…

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

Q: Phosphoric acid is a triprotic acid (Kal = 6.9 × 10, K2 = 6.2 x 10 8, and K3 = 4.8 x 10-13). %3D %3D…

A:

Q: A 27.6 mL sample of 0.275 M methylamine, CH3NH2, is titrated with 0.275 M hydroiodic acid. After…

A: The reaction will be as follows: HI(aq) + CH3NH2 ---------> CH3NH3+(aq) + I-(aq). The volume of…

Q: 22) A student prepares aqueous sodium benzoate by adding 3.78 g of solid benzoic acid to 12 mL of 3…

A: Percent recovery can be expressed as follows:   Percent recovery  =  Amount of substabce…

Q: An aqueous solution contains 0.25 M hydrofluoric acid. One Liter of this solution could be converted…

A:

Q: The table indicates how pH indicators change color based on the pH of the solutions that you put…

A: Given : pH range in which colour changes for bromothymol blue is 6.0 - 7.6. The colour change of…

Q: c) A 35 mL of 1.5 M hydrochloric acid, HCI is completely neutralized with a sample of ammonia, NH3…

A:

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

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Q: A student decided not to filter the saturated calcium hydroxide solution prior to titration with…

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Q: Calculate the mas of AgCl need to contain 7.5g Ag

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Q: A solution is prepared by dissolving 0.23 mol of lactic acid and 0.27 mol of sodium lactate in water…

A: The hydrochloric acid reacts with lactate ion present in the buffer solution to form lactic acid…

Q: A student was required to prepare 250.0 mL of a cyanoacetic acid/sodium cyanoacetate buffer in which…

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Q: Determine the K, for iron(IIl) hydroxide if it has a molar solubility of 1.3 x 10^-10 mol/L. at 25…

A: The dissociation of iron(III) hydroxide is given by following equation Fe(OH)3 →Fe3+  +  3OH-

Q: Please complete the calculation of the pH of the equivalence point all numbers required are here…

A: given molarity of NaOH is 0.00180 the volume of NaOH is 17.95ml asprin molarity is 0.00180

Q: A 27.6 mL sample of 0.275 M methylamine, CH3NH2, is titrated with 0.275 M hydroiodic acid. After…

A: This question can be solved using Henderson-Hesselbech equation as:

Q: Which of the following aqueous solutions are good buffer systems? . A 0.22 M perchloric acid + 0.18…

A: D. 0.12 M acetic acid + 0.12 M potassium acetate Buffer solutions can be made by mixing of aqueous…

Q: With which of the following ions would you expect a precipate to form after the addition of silver…

A:

Q: PH of diluted calcium hydroxide=7.01 1.) Hydronium ion concentration in dilute solution,M?…

A: The given pH of Ca(OH)2 = 7.01 Known,                        pH = -log[H+]               pOH = -…

Q: Write the solubility product constant expressions for the following sparingly soluble salts. (a)…

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

Q: In a carbonic acid buffer system, the total acid concentration is 0.55 M and the pH is 10.0.…

A:

Q: What are buffers in terms of acid-base equilibria, give an example, and can a buffer capacity be…

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Q: Reaction:  Consider a titration where 0.215 M potassium hydroxide is added from a burette to 10.00…

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Q: An aqueous solution contains 0.29 M potassium hypochlorite. One liter of this solution could be…

A:

Q: Solid ammonium chromate is slowly added to 75.0 mL of a calcium acetate solution until the…

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Q: A student is calculating the concentration of her standard solutions in order to create the…

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Q: Determine the mass of solid NaCH₃COO that must be dissolved in an existing 500.0 mL solution of…

A: Given that, Ka for CH₃COOH is 1.8 × 10-5

Q: Enter the solubility expression for Mg3(PO4)2(s)Mg3(PO4)2(s).

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Q: Bromothymol blue is yellow in acid solutions.  HBB is acidic form of the indicator . The indicator…

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Q: A buffer solution contains 0.311 M potassium hydrogen sulfite and 0.281 M potassium sulfite. If…

A: 0.0189 moles of KOH in 150 ml (0.15 L) = In the buffer solution of potassium hydrogen sulfite…

Q: An aqueous solution contalns 0.26 M hypochlorous acid. One Liter of this solutlon could be converted…

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Q: One strategy for dealing with the acidification of lakes is to periodically add powdered limestone…

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Q: Which of the following aqueous solutions are good buffer systems? 0 0.33 M ammonia + 0.39 M sodium…

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Q: Consider exactly one litre of a propanoic acid buffer solution, containing 0.600 M C3H5OOH and 0.252…

A:

Q: What is the correct order of the steps for this experiment? Gently boil the HCI/antacid tablet…

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Q: AgOH(s) ------><---  Ag+ (aq) + OH-(aq) Using the precipitate, form a solubility equilibrium…

A: Silver hydroxide is a poorly soluble compound. Since it is poorly soluble, an equilibrium is set up…

Q: Which of the following aqueous solutions are good buffer systems? 0.24 M hydroiodic acid + 0.18 M…

A: To determine the good Buffer solution , we would check some conditions for a good buffer solution.…

Q: An aqueous solution contains 0.26 M hypochlorous acid. One Liter of this solution could be…

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Q: Sodium hydrogen sulfate (NaHSO4) which dissolves in water to release H+ is used to adjust the pH of…

A: ppm is used to express the concentration of solution

Q: Which of the following aqueous solutions are good buffer systems? 0.26 M ammonia + 0.36 M potassium…

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Q: Describe buffer solutions in terms of acid-base equilibria. Give an example. How can you overwhelm…

A: A buffer solution is one which can resist change in its pH on the addition of an acid or a…

Q: Determine the ratio in which sodium acetate and acetic acid must be mixed to give a solution that is…

A: Acetic acid is a weak acid . NaOH is a strong base. Acetic acid and NaOH react to form sodium…

Q: The student added universal indicator to the alkali solution at the start of the experiment. The…

A: The Concept used here is from the ACID and BASE of chemistry. According to question. When a student…

Q: Calculate the change in pH when 0.280 mol H+ is added to 1.00 L of each of the following buffers…

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Q: what is the concentration of iodide ions in saturated solution of lead (II) iodide? the solubility…

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Q: Which statement about acid-base indicators is not correct? *       A- A weak acid can be used as an…

A: Acid-base indicators made of weak acids and weak bases. Due to common ion effect.

Q: ermine the pH of a solution by constructing a BCA table, constructing an ICE table, writing the…

A:

Q: Which of the following aqueous solutions are good buffer systems? 0.34 M hypochlorous acid + 0.27 M…

A: Answer:- This question is answered by using the simple concept of formation of buffer solution which…

Q: 2. Explain the chemical basis for the different slopes of a titration curve. Include a chemical…

A: A graph of the pH as a function of the amount of titrant added is known as the titration curve. The…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.