aqueous solution contains 0.422 M hydrofluoric acid. Calculate the pH of the solution after the addition of 3.06×10-2 moles of potassium hydroxide to 125 mL of this solution. (Assume that the volume does not change upon adding potassium hydroxide)

Q: a) A solution is made by mixing 350 mL of .5 M hydrofluoric acid with 50 mL of 1.5 M KOH. Calculate…

A: since you have posted multiple Questions in single session, we are entitiled to answer first…

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Q: An aqueous solution contains 0.314 M hydrocyanic acid. Calculate the pH of the solution after the…

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Q: Answer the following questions about calcium hydroxide, Ca(OH) (s). A student makes a saturated…

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Q: You add 1 drop of 0.04M NaOH to a 25mL volume of DI water. What is the resulting pH? (20 drops =…

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Q: 19

A: Given: Volume of solution = 20.00 mL = 0.020 L                                   (Since 1 L = 1000…

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Q: Calculate the pH of the resulting solution if 20.0 mL of 0.200 M HCl(aq) is added to 30.0 mL of…

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A: Hydroxide ion is represented as OH-.

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Q: 117 mL of a 0.53 M hydroiodic acid solution is added to 454 mL of a 0.52 M perchloric acid solution.…

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Q: Given a 1.00 L solution that is 0.60 M HF and 1.00 M KF, calculate the pH after 0.080 mol NaOH is…

A: For HF , pKa = -log Ka  = -log ( 7.2 x 10-4) = 4 - log 7.2 = 4 - 0.86 = 3.14   pH when 0.080 mol…

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A: Volume of HCl = 2.24 litres  Moles of HCl = 2.24 / 22.4 = 0.1 mole  Concentration of HCl = 0.1 / 2 =…

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Q: Adding as little as 0.1 mL of concentrated HCl to a liter of H2O shifts the pH from 7.0 to 3.0.…

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Q: Calculate the change in pH when 4.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution…

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Q: The Ka value for acetic acid, CH,COOH(aq), is 1.8 × 10-5. Calculate the pH of a 1.20 M acetic acid…

A: Acetic acid dissociates as: CH3COOH→CH3COO-+H+

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Q: An aqueous solution contains 0.423 M nitrous acid. Calculate the pH of the solution after the…

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Q: nitrous acid solution is titrated with a 0.425 M aqueous solution of barium hydroxide. How many…

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Q: 1. An aqueous solution of 0.150 M HBr (80.00 mL) is titrated with 0.060 M NaOH, as shown below. HBr…

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Q: In the spooky chemistry lab, you spot a 50mL solution of 6.0M hydrochloric acid.   What is the pH of…

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Q: Calculate the change in pH when 6.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution…

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Q: 1. A student is asked to prepare 455 ml of a solution containing 4.23 g of Ba(OH),. a. What is the…

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Q: 50 mL of a 0.500M solution of ammonia (Kb=1.8x10^-5) was added to 200 mL ultra pure water. What is…

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Q: An aqueous solution contains 0.444 M nitrous acid. Calculate the pH of the solution after the…

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A: When a strong base is added to weak acid a buffer is formed. The pH of the buffer can be calculated…