A compound has two carboxyls and one aminium group. The pKas of the groups are 1.9, 4.2, and 9.3, respectively. A biochemist has 100 mL of a 0.10 M solution of this compound at a pH of 5.6. She adds 39 mL of 0.1 M NaOH. To the nearest hundredth of a unit, what will be the pH of the solution after addition of the NaOH (assume full stirring to reach a new equilibrium)?

Q: An analytical chemist is titrating 63.0 mL of a 0.8900M solution of hydrazoic acid (HN,) with a…

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Q: A chemist titrates 170.0 mL of a 0.2489M nitrous acid (HNO₂) solution with 0.7980 M NaOH solution at…

A: Given,molarity of HNO2 = 0.2489 Mvolume of HNO2 = 170.0 mL = 0.1700 LTherefore, number of moles of…

Q: An analytical chemist is titrating 94.8 mL of a 0.4000M solution of nitrous acid (HNO,) with a…

A: Given : Volume of HNO2 solution = 94.8 mL = 0.0948 L                                      (since 1 L…

Q: An analytical chemist is titrating 175.9 mL of a 0.1800M solution of methylamine (CH,NH,) with a…

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Q: A chemist titrates 160.0 mL of a 0.2739M trimethylamine ((CH, N solution with 0.4017M HCI solution…

A: To reach equivalence point, the required volume of the HCl is; MHCl×VHCl=MCH33N×VCH33NVHCl=160.0…

Q: An analytical chemist is titrating 117.6 ml of a 0.1300M solution of piperidine (C,HNH) with a…

A: mmoles of C5H10NH added = 117.6 x 0.13 = 15.288 mmoles  mmoles of HNO3 added = 15.4 x 0.81 = 12.474…

Q: In the laboratory, a general chemistry student measured the pH of a 0.532 M aqueous solution of…

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Q: A chemist titrates 110.0 mL of a 0.3936M dimethylamine ((CH3), NH) solution with 0.7244M HNO,…

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Q: A solution is prepared that is initially 0.20M in trimethylamine ((CH3)2N).. a weak base, and 0.070M…

A: Step 1: Given[(CH3)3N] = 0.20 M[(CH3)3NHCl] = [(CH3)3NH+] = 0.070 MComplete the reaction table = ?…

Q: An analytical chemist is titrating 127.4 mL of a 0.1500M solution of methylamine (CH3NH₂) with a…

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Q: An analytical chemist is titrating 52.7 mL of a 0.3500M solution of methylamine (CH, NH,) with a…

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Q: An analytical chemist is titrating 185.1 ml of a 0.6700 M solution of dimethylamine ((CH,), NH) with…

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Q: A chemist titrates 200.0 mL of a 0.6878 M propionic acid (HC,H,CO,) solution with 0.7437 M NaOH…

A: Equivalence point is that point at which moles of monoprotic base added are exactly equal to moles…

Q: Phosphoric acid is a triprotic acid with the p?apKa values p?a1=2.148,  p?a2=7.198, and…

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Q: A chemist titrates 60.0 ml. of a 0.4812 M cyanic acid (HCNO) solution with 0.7227 M NaOH solution at…

A: Question about titration of weak acid cyanic acid with NaOH. We have to calculate the pH at…

Q: A chemist titrates 130.0 mL of a 0.8034M pyridine (C,HşN) solution with 0.2958M HCl solution at 25…

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Q: An analytical chemist is titrating 215.4 mL of a 0.1400 M solution of methylamine (CH3NH₂) with a…

A: The question is based on the titrations.  we are titrating a weak base with a strong acid. we need…

Q: An analytical chemist is titrating 77.9mL of a 0.7600M solution of methylamine CH3NH2 with a 0.4700M…

A: In this question, we want to determine the pH of the Solution after titration of weak base with…

Q: A chemist titrates 100.0 mL of a 0.1799M trimethylamine CH, solution with 0.2596M HNO, solution at…

A: Volume of trimethylamine = 100 mL = 0.1 LMolarity of trimethylamine = 0.1799 MMoles of…

Q: An analytical chemist is titrating 130.6 ml. of a 0.6000 M solution of piperidine (C,HNH) with a…

A: Given, Volume of piperidine (C5H10NH) = 130.6 mL Concentration of piperidine (C5H10NH) = 0.6000 M…

Q: A chemist titrates 60.0 mL of a 0.4543 M aniline (C,H;NH,) solution with 0.7673M HNO, solution at 25…

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Q: An analytical chemist is titrating 238.0 mL of a 0.4200M solution of butanolc acid (HC,H,CO₂) with a…

A: The question is based on the concept of the pH of the solution.It is defined as a negative logarithm…

Q: None

A: Step 1: Step 2: Step 3: Step 4:

Q: An analytical chemist is titrating 159.6 ml. of a 0.7000 M solution of diethylamine ((GH), NH) with…

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Q: A chemist titrates 180.0 mL of a 0.4192 M cyanic acid (HCNO) solution with 0.5880M NAOH solution at…

A: Given Information-  Volume of HCNO = 180.0 mL  Molarity of HCNO = 0.4192 M Molarity of NaOH =…

Q: A chemist titrates 240.0 mL of a 0.0903 M acetic acid (HCH, CO₂) solution with 0.3931 M KOH solution…

A: Given : molarity of acetic acid = 0.0903 M volume of acetic acid = 240.0 mL molarity of KOH = 0.3931…

Q: An analytical chemist is titrating 139.8 mL of a 0.1600M solution of aniline (C,H,NH,) with a…

A: Given that, 139.8 mL of 0.1600 M of aniline was titrated with 0.6500 M solution of HNO3.  The pKb of…

Q: An analytical chemist is titrating 57.8 mL of a 0.6200M solution of methylamine (CH,NH,) with a…

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Q: 11.An acid-base equilibrium system is created by dissolving 0.20mol CH3COOH in water and diluting…

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Q: An analytical chemist is titrating 83.7 mL of a 0.3300M solution of isopropylamine ((CH,) CHNH,)…

A: Given that : The volume of isopropylamine = 83.7 mL The molarity of isopropylamine = 0.3300 M The…

Q: An analytical chemist is titrating 74.8 mL of a 0.7500M solution of propylamine (C,H,NH,) with a…

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Q: A chemist titrates 80.0 mL of a 0.8628 M trimethylamine ((CH N) solution with 0.2165 M HBr solution…

A: This is titration of weak base and strong acid. pH at equivalence point will be less than 7

Q: Calculate the volume (ml)of concentrated ammonia and the weight (gm) of ammonium chloride…

A: Calculating the pOH of the buffer by using the Henderson-Hasselbalch equation: pOH=pKb + log…

Q: A solution is prepared that is initially 0.41 M in trimethylamine ((CH N, a weak base, and 0.40M in…

A: In the given question we have to write the reaction to calculate the pH of Solution.

Q: An analytical chemist is titrating 186.4 mL of a 0.3400M solution of methylamine (CH3NH₂) with a…

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Q: An analytical chemist is titrating 88.2 mL of a 0.2300M solution of nitrous acid (HNO₂) with a…

A:

Q: An analytical chemist is titrating 64.9 mL of a 0.5800M solution of isopropylamine ((CH, CHNH, with…

A: The question is based on the concept of titration. we are titrating a weak base with a strong acid.…

Q: An analytical chemist is titrating 247.8 ml. of a 0.6300M solution of nitrous acid (HNO₂) with a…

A: We have to use the Henderson-Hasselbalch equation. for that, we have to determine the final…

Q: An analytical chemist is titrating 120.4 mL of a 0.5800M solution of piperidine (C5H₁0NH) with a…

A: Volume of piperidine= 120.4 mL  Volume of piperidine=0.5800M  Concentration of HNO3=0.7600M  Volume…

Q: A chemist titrates 90.0 mL of a 0.8026 M ethylamine (C,H,NH,) solution with 0.7461 M HCl solution at…

A: The reaction between given base and acid is as follows, number of millimoles of CH3CH2NH2 in 90 mL…

Q: hethylamine is 3.36. Calculate the pH of the base solution after the chemist has added 257.2 mL of…

A: The question is based on the concept of titrations. We are titrating a weak base with a strong acid.…

Q: A chemist titrates 100.0 mL of a 0.5181 M carbonic acid (H,CO, solution with 0.7276 M NaOH solution…

A: Buffer solutions are those solutions in which pH change is very less even after addition of strong…

Q: Calculating the pH at equivalence of a titration A chemist titrates 170.0 mL of a 0.2614M cyanic…

A:

Q: A chemist titrates 230.0 mL of a 0.1072M ethylamine (C,H,NH, solution with 0.5758M HC1 solution at…

A: Answer :-  pH =  5.93 ---------------------------------

Q: An analytical chemist is titrating 208.8mL of a 0.7500M solution of methylamine CH3NH2 with a…

A: In this question, we want to determine the pH of the Solution after titration of weak base with…

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.