A 100.0-mL aliquot of 0.100 M diprotic acid H2A (PK1 = 4.00, PKa2 = 8.00) was titrated with 1.00 M NaOH. Find the pH at the following volumes of base added.
a) 1 ml, b) 11 mL, c) 20 mL and d) 22 mL.
A 100.0-mL aliquot of 0.100 M diprotic acid H2A (PK1 = 4.00, PKa2 = 8.00) was titrated with 1.00 M NaOH
A 100.0 mL aliquot of 0.100 M monoprotic acid H2A (pK1 = 4.00) was titrated with 1.00 M NaOH. Find the pH at the following volumes of base added: Vb = 0, 5, 9, 10 and 11 mL. Sketch the titration curve.
A 100.0 mL aliquot of 0.100M diprotic acid H2A(pK1 = 4.00; pK2 = 8.00) was titrated with 1.00 M NaOH. Find the pH values at the following volumes of base added, Vb; Vb= 0 mL, PH= Vb= 2 mL, PH= Vb= 8 mL, PH= Vb= 10 mL, PH= Vb= 12 mL, PH= Vb= 18 mL, PH= Vb= 20 mL, PH= Vb= 22 mL, PH=
A 100.0m aliquot of 0.100 M diprotic acid H₂A (pk, = 4.00; ph2 = 8.00) was titrated with 1.00M NaOH. Find the pH at the following volumes of base added, Vb: 0mL, 2mL, 8mL, 10mL, 12 mL, 18mL, 20mL, 22mL,
A 125.0-mL aliquot of 0.121 M diprotic acid H2A (pK1 = 4.01, pK2 = 8.02) was titrated with 1.21 M NaOH. Find the pH at the following volumes of base added: Vb = 12.50, 13.50, 18.75, 24.00, 25.00, and 29.00 mL. (Assume Kw = 1.01 ✕ 10−14.)
A 1000 mL aliquot of .1 M diprotic acid H2A (pK1=4; pK2=8) was titrated with 1 M NaOH. find pH values at Vb: 0, 3, 8, 10, 13, 19, 20, 22.
The dibasic compound B (pKb1 5 4.00, pKb2 5 8.00) was titrated with 1.00 M HCl. The initial solution of B was 0.100 M and had a volume of 100.0 mL. Find the pH at the following volumes of acid added and make a graph of pH versus Va: Va 5 0, 1, 5, 9, 10, 11, 15, 19, 20, and 22 mL. pKb1= 4.00 pkb2= 8.00 11-23. The dibasic compound B (pKb1 = 4.00, pKb2 = 8.00) was titrated...
The diacid compound H2A of concentration 0.100 M and volume 50.00 mL (pKa1 = 4, pKa2 = 7) was titrated with NaOH 0.500 M. Write the two titration reactions, and calculate the two equivalence volumes Write the three acid / base equilibrium reactions for H2A Calculate the pH at the following added NaOH volumes: 0, 5,10,13, 20, 25 mL
2. The dibasic compound B (pKb 4.00, pKb 8.00) was titrated with 1.00 M HCl. The initial solution of B was 0.100 M and had a volume of 100.0 mL. Find the pH at the following volumes of acid added and make a graph of pH versus Va: Va -0,1, 10, 11,15, 19, 20, and 22 mL.
Acid/Base titrations 10. 25.0 mL of 0.100 M H2A (a weak diprotic acid) is titrated with 0.200 M NaOH. What is the pH of the solution when 0.00 mL, 10.0 mL, 12.5 mL, 20.0 mL, 25.0 mL, and 40.0 mL E.S RaWeMA 5.83 x 10 8) have been added? (Ka1= 2.46 x 10, Ka2 ANSWER: 0 mL = 2.315, 10.0 mL= 4.211 (or 4.213), 12.5 mL = 5.422, 20.0 mL 7.410, 25.0 mL = 9.966, 40.0 mL = 12.664 11....
6. A student titrated 50.0 mL of the 0.10 M unknown diprotic H2A with 0. 10 M NAOH. After 25.0 mL of NaOH was added, the pH of the resulting solution was 6.70. After 50.0 mL of NaOH was added, the pH of the solution was 8.00. What are the values of Ka1 and Ka2? 6. A student titrated 50.0 mL of the 0.10 M unknown diprotic H2A with 0. 10 M NAOH. After 25.0 mL of NaOH was added,...