Incorrect 0/1 pts Question 3 What is the pH of a solution after 35mL of 0.04M NAOH was added to 250mL of deionized water. 12.602

Q: What mass of ammonium chloride should you add to 2.65 L of a 0.150 mol L-1 NH3 to obtain a buffer…

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Q: Please answer 1,2,3,4 thankyou 1. What effect will addition of sodium acetate have on the pH of a…

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Q: Question 5: A 200.00-mL sample containing possible mixture of NaOH, Na2CO3, and/or NaHCO3 is diluted…

A: The reaction for phenolphthalein indicator is If ‘a’ is the number of moles of NaOH and ‘b’ is the…

Q: QUESTION 13 Given the volume of the standard hydrochloric acid used in titrating the analyte to…

A: A question based on quantitative analysis of alkalinity, which is to be accomplished.

Q: enzoic acid (HBenz) has a Kvalue of 6.3 × 10-5. You need to prepare a buffer having a pH a of 4.05…

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Q: Ca luck are the solubility of each of the following salts in moles per lister given the lap values.…

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Q: QUESTION 1 During an experiment, a student mixed 14.5 mL of a 0.500 M sodium fluoride solution with…

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Q: pH =-log[H,O'] 14 pH+ pOH QUESTION 7 What is the molar solubility of YF3 in water? Kep =8.62x1021…

A: I will give Solution for first Question ( Question 7 ) in details.  In this question, you will…

Q: Question 8 Codeine, a cough suppressant extracted from crude opium, is a weak base with a pk, of…

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Q: ALUATION (1O MINS) calculate the ratio of [CH3COOH/NACH3COO] to give a buffer solution at pH 5.…

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Q: Calculate the Molarity (moles per liter) of H2SO4 solution if 40.00 mL of H2SO4 required 42.10 mL of…

A: Chemical equation: H2SO4(aq) + 2NaOH(aq) →  Na2SO4(aq) + 2H2O(l) from the well-balanced equation, we…

Q: True or false (6).  The greater the Ksp value,   the more soluble the precipitate in water

A: Since you have posted multiple questions so I am solving question number 6 .If you want to be solved…

Q: Question 6 Acetic acid and its conjugate base acetate can form an acid-base buffer.  The pKa of…

A: A solution which resists change in pH when a small amount of acid or base is added to it is known as…

Q: True or false (7).  The greater the Ka value,   the more dissociation the weak acid.___________…

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Q: H2SO4 + 2 NAOH 2 H20 + Na2SO4 If you require 33.35 mL of 0.541 M NaOH solution to titrate 210.1 mL…

A: The reaction occurs as follows: 2 NaOH + H2SO4 → Na2SO4 + 2 H2O 2 mol          1 mol Molarity of…

Q: Question #5: K1 for the following bicarbonate buffer solution is equal to 0.5 × 10–11, and pK2=10.3.…

A: The most important buffer for maintaining acid-base balance in the blood is the carbonic…

Q: Question 5 Acetic acid is a convenient buffer system in the slightly acidic range. What mass of…

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

Q: A pure sample of a monoprotic acid is dissolved in water. The sample is titrated with sodium…

A: IMPORTANT POINTS: Firstly this question do not provide with many initial values such as initial…

Q: To prepare 1-L buffer solution with pH = 5.05, how many moles of C6H5COONa (sodium benzoate) should…

A: Given: pH of solution = 5.05  Moles of C6H5COOH = 0.86 mol. And Ka of C6H5COOH = 6.3 × 10-5

Q: QUESTION 2 A solution is made from 0.42M HCIO and 0.45 M NaCIO. What is the pH, if the Ka for HCIO…

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Q: Question 15 The equivalence point of a titration of 350.0 mL of 0.00016 M weak acid with 0.00082 M…

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Q: Data:  NaOH added mL pH 2 3.90 4 4.20 6 4.4 8 4.6 10 4.70 12 4.86 14 5.02 16 5.1…

A: We are given titration data for the titration of acetic acid, CH3COOH by NaOH(aq).  First, we have…

Q: fill out this table! Answering just one of the columns is good enough, thank you!     Trial 1…

A: The trial 1 table is filled by using following calculation.   First millimoles of NaOH to end point…

Q: 1. The concentration of an unknown weak acid solution is 0.25M, and the solution has a pH of 3.98.…

A: Concentration of weak acid = 0.25M pH = 3.98  [H+] = 10-pH  = 10-3.98

Q: New August 17, 2020. Titration of 50.00 mL of 0.05251 M Na2C204 required 36.75 mL of a potassium…

A: Given,  Molarity of Na2C2O4 = 0.05251 M  Volume of Na2C2O4 = 50.00 mL  Molarity of KMnO4 = ? Volume…

Q: Question: Acetic acid, HC2H3O2, is used in some household cleansers as a source of H3O+ ion. What is…

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Q: Question 2 Methyl orange could be used as indicator in the sodium carbonate-hydrochloric acid…

A: Methyl orange pH range : 4 .4 to 3.0 Methyl red pH range : 4.4 to 6.2

Q: What ratio of sodium benzoate to benzoic acid is required to prepare a buffer with a pH of 4.26 at…

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Q: QUESTION 29 For Na2cO3 titration, using two indicators, phenolphthalein and methyl orange, the…

A: The Na2CO3 and HCl react with each other to form  sodium chloride (NaCl) , Carbon dioxide (CO2) and…

Q: What is the percent ionization of acetic acid (CH3COOH) in a solution that contains 0.10 M acetic…

A: Ionic solids are metal salts. They formed when metals form an ionic bond with non-metals. Ionic…

Q: with standard NaOH using phenolphthalein, the end point was read when the color of the solution was…

A: The question is based on the concept of titrations. We have to identify the concentration of Acetic…

Q: 7. Calculate pH of a solution that is 0.25M in NH3 and 0.4M in NH4CI. Ka for NH3 is 5.70 x 10-10…

A: Given:  The concentration of ammonia, [NH3] = 0.25 M The concentration of ammonium chloride, [NH4Cl]…

Q: QUESTION 15 What is the pH of a solution made by mixing 100.00 mL of 0.20 M HCI with 50.00 mL of…

A: The pH can be calculated by making moles of solution equal to that of sum of two solutions.     The…

Q: ga Question 12 How many milliliters of 0.246 M HNO3 should be added to 213 mL of 0.006 66 M…

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Q: Question 17 v Saved A 0.125 M aqueous solution of a weak acid (HA), volume = 25.0 mL, was titrated…

A: It is given that a 25 mL of 0.125 M aqueous solution of HA a weak acid is titrated against 0.100 M…

Q: What is the hydronium ion concentration in 0.275 M nitrous acid? Ka= 7.1x10^-4 Hide answer choices A…

A: Given :  Concentration of nitrous acid = 0.275 M  Ka = 7.1 x 10-4

Q: QUESTION 1 During an experiment, a student mixed 14.5 mL of a 0.500 M sodium fluoride solution with…

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Q: Question 64 W Sample pH Before Filtration Mass of Crystals 1 8.5 0.00 g 7.4 0.00 g 3 6.8 0.03 g 4…

A: The number of moles of the solute that can be dissolved per liter of solution before the solution…

Q: 50.00 mL of a diprotic acid solution, whose concentration is unknown, is titrated with 12.54 mL of…

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Q: How many moles of sodium hypobromite, NaBrO, should be added to 1.00 L of 0.396 M hypobromous acid,…

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Q: 9.4 mL of 2.4 M HCI is used to titrate 12.6 mL of NH3 its endpoint. What is the initial molar…

A: Moles of HCl = Moles of NH3  M1 × V1 = M2 × V2

Q: * Find moles of MnO4- 0.02 M KMnO4 2.21 ml used * Find HSO3- 0.01 M NaHSo3 Avg titration vL…

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Q: A chemist s preparing hydrofluoric acid (HF) buffer of PH = 4.00 for an experiment. She has 125 ml…

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Q: How many milliliters of 0.0897 M NaOH are required to titrate 10.00 mL of 0.1150M weak diprotic acid…

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Q: Answer the following:  Solve for the pH level of an ammonia buffer. Given that it contains 500.0 mL…

A: pH of buffer solution is calculated by using Henderson Hassel balch equation

Q: Calculate the pH of a solution that contains 0.00415 M HI and 0.400M benzoic acid. (Ka for benzoic…

A: Given: Concentration of HI is 0.00415 M. Concentration of benzoic acid is 0.400 M. Ka for benzoic…

Q: Calculate the pH of the solution prepared by dissolving 0.48 mol of NH3(Kb=1.77x10-5) and 0.750 mol…

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Q: Question 3: If a molecule in solution has a pKa of 4.0 and the solution is titrated to pH 7.0, What…

A: According to the Henderson-Hasselbalch equation, the pH of a solution consisting of a weak acid (HA)…

Q: Question 5:  I don't know how to solve this one

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