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: 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 175.9 mL of a 0.1800M solution of methylamine (CH,NH,) with a…

A:

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

A:

Q: An analytical chemist is titrating 161.1 ml. of a 0.6100M solution of formic acid (H,CO,) with a…

A: Given data,Molarity of HCOOH=0.61MVolume of HCOOH=161.1mL=0.1611LMolarity of NaOH=0.46MVolume of…

Q: An analytical chemist is titrating 86.6 mL of a 0.4900M solution of dimethylamine ((CH,) NH) with a…

A: Step 1:Buffer solution is a type of solution that resists the change in its pH on adding small…

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…

A:

Q: An analytical chemist is titrating 216.4 mL of a 0.4800 M solution of cyanic acid (HCNO) with a…

A: Given: Volume of HCNO = 216.4 mL Concentration of HCNO = 0.480 M Volume of NaOH = 363.3 mL…

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

A:

Q: An analytical chemist is titrating 190.6 mL of a 0.3000M solution of methylamine (CH3NH₂) with a…

A:

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: An analytical chemist is titrating 95.7 mL of a 0.6900M solution of benzoic acid (HC,H,CO₂) with a…

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

Q: An analytical chemist Is titrating 150.5 mL of a 0.1400M solution of aniline (CH,NH,) with a 0.4000M…

A:

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

A:

Q: A 1.46 L buffer solution consists of 0.171 M butanoic acid and 0.341 M sodium butanoate. Calculate…

A: Given,  Volume of the buffer = 1.46 L  Molarity of butanoic acid = [Butanoic acid] = 0.171 M…

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

A:

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 191.3 mL of a 0.8900M solution of hydrazoic acid (HN,) with a…

A:

Q: An analytical chemist is titrating 210.3 mL of a 0.4900M Solution of butanoic acid (HC,H,CO,) with a…

A:

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

A:

Q: An analytical chemist is titrating 152.0 mL of a 0.2100 M solution of benzoic acid (HC,H,CO,) with a…

A: Given: Concentration of HC6H5CO2 = 0.2100 M Volume of HC6H5CO2 = 152.0 mL Concentration of NaOH =…

Q: None

A: Step 1: Step 2: Step 3: Step 4:

Q: An analytical chemist is titrating 163.7 mL of a 0.6200M solution of hydrazoic acid (HN,) with a…

A: Given that, Volume of 0.6200 M HN3 acid = 163.7 mL  = 0.1637 L Moles of HN3 acid = 0.62 M×0.1637 L =…

Q: An analytical chemist is titrating 243.9 mL of a 0.3300M solution of ammonia (NH,) with a 0.8900M…

A: The above-given problem can be solved using the Henderson-Hesselbalch equation. Given,pKb of ammonia…

Q: A chemist titrates 210.0 mL of a 0.1055M hypochlorous acid (HCIO) solution with 0.3543M KOH solution…

A: Reaction between HClO and KOH is shown below: HClO(aq)+KOH(aq)→KOCl(aq)+H2O(l) According to reaction…

Q: An analytical chemist is titrating 59.1 mL of a 0.6700 M solution of ammonia (NH,) with a 0.4500 M…

A: Given : Concentration of NH3 = 0.6700 M Volume of NH3 solution = 59.1 mL = 0.0591 L…

Q: A 1.361.36 L buffer solution consists of 0.1310.131 M butanoic acid, C3H7COOH and 0.3150.315 M…

A: 1.36 L buffer solution consists of 0.131 M butanoic acid, C3H7COOH and 0.315 M sodium butanoate,…

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.