Chemistry

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What is the Henderson-Hasselbalch equation for the acidic buffer HA/A-? Started by scienceeasy	1 Replies 78 Views	Feb 15, 2020 by Carissamariew
What is the resulting pH when 0.005 moles of KOH is added to 0.100 L of a buffer solution that is ... Started by Redwolflake15	1 Replies 79 Views	Feb 15, 2020 by kishoreddi
What volume of 0.100 M NaOH is needed to make 100.0 mL of a buffer solution with a pH of 6.00 if one ... Started by cartlidgeashley	1 Replies 65 Views	Feb 15, 2020 by tanna.moeller
What is the [CH3CO2-]/[CH3CO2H] ratio necessary to make a buffer solution with a pH of 4.44? Ka = ... Started by fbq8i	1 Replies 123 Views	Feb 15, 2020 by zenzy
What is the pH of 1 L of 0.30 M TRIS, 0.60 M TRISH+ buffer to which one has added 5.0 mL of 12 M ... Started by Capo	1 Replies 54 Views	Feb 15, 2020 by ladyjames123
TRIS {(HOCH2)3CNH2} is one of the most common buffers used in biochemistry. A solution is prepared ... Started by beccaep	1 Replies 82 Views	Feb 15, 2020 by potomatos
What is the pH of a buffered system made by dissolving 17.42 g of KH2PO4 and 20.41 g of K2HPO4 in ... Started by CORALGRILL2014	1 Replies 90 Views	Feb 15, 2020 by peilian
What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M CH3CO2H with 25.00 mL of 0.050 M ... Started by Yolanda	1 Replies 130 Views	Feb 15, 2020 by covalentbond
The neutralization constant Kn for the neutralization of phenobarbital (C12H12N2O3) and morphine ... Started by SO00	1 Replies 69 Views	Feb 15, 2020 by swimkari
What is the approximate value of the equilibrium constant, Kn, for the neutralization of nitrous ... Started by Evvie72	1 Replies 61 Views	Feb 15, 2020 by moormoney
In the reaction between NO2 and H2O that produces HNO3, the Lewis acid is ________ and the Lewis ... Started by Hungry!	1 Replies 86 Views	Feb 15, 2020 by amanda_14
The acid strength of an oxoacid having the general formula HnYOm increases as the electronegativity ... Started by karen	1 Replies 53 Views	Feb 15, 2020 by millet
A 0.050 M solution of hydroxylamine, NH2OH, having Kb = 9.1 10-9 has a pH of ________. Started by karlynnae	1 Replies 136 Views	Feb 15, 2020 by kbennett34
Phenobarbital has a pKa = 7.4. Compared to a 1.0 10-3 M solution, 1.0 10-4 M phenobarbital will ... Started by piesebel	1 Replies 150 Views	Feb 15, 2020 by janieazgirl
A 1.25 10-4 M solution of the anti-inflammatory drug naproxen has a pH = 4.2. The Ka and pKa of ... Started by pragya sharda	1 Replies 44 Views	Feb 15, 2020 by chjcharjto14
In order for the reaction HA + HSO3- A- + H2SO3 to have an equilibrium constant Kc < 1, the Ka of ... Started by Mimi	1 Replies 60 Views	Feb 15, 2020 by joewallace
The pH of a 0.055 M KOH solution is ________. Started by naturalchemist	1 Replies 44 Views	Feb 15, 2020 by phuda
Bromothymol blue indicator changes color from yellow at a pH of 6.0 to blue at a pH of 7.6. Phenol ... Started by kfurse	1 Replies 105 Views	Feb 15, 2020 by randomguy133
At 50C the value of Kw is 5.5 10-14, and the pH of a neutral solution at 50C is ________. Started by Tirant22	1 Replies 55 Views	Feb 15, 2020 by morganmarie791
Which one of the following is not considered to be a Lewis base? Started by JGIBBSON	1 Replies 64 Views	Feb 15, 2020 by elyse44
Which of the following salts are acidic? Started by NClaborn	1 Replies 49 Views	Feb 15, 2020 by ndhahbi
Calculate the pH of a 0.200 M NaCH3CO2 solution. Ka for acetic acid, CH3CO2H, is 1.8 10-5. Started by xroflmao	1 Replies 101 Views	Feb 15, 2020 by voltaire123
Determine the ammonia concentration of an aqueous solution that has a pH of 11.30. The equation for ... Started by wrbasek0	1 Replies 56 Views	Feb 15, 2020 by Zack0mack0101@yahoo.com
What is the pH of a 2.4 M pyridine solution that has Kb = 1.9 10-9? The equation for the ... Started by tuffie	1 Replies 102 Views	Feb 15, 2020 by batool
Which of the following is a weak diprotic acids? Started by saliriagwu	1 Replies 69 Views	Feb 15, 2020 by Andromeda18