Chapter 6 – Ionic Equilibrium (Level 1 and Level 2)
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Carbonic acid (H2CO3), a diprotic acid has Ka1=4.0×10^−7 and Ka2=5.0×10^−11. What is the [HCO2−3] of a 0.025 M solution of carbonic acid?
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Nov
Carbonic acid (H2CO3), a diprotic acid has Ka1=4.0×10^−7 and Ka2=5.0×10^−11. What is the [HCO2−3] of a 0.025 M solution of carbonic acid? a diprotic acid has Ka1=4.0×10^−7 and Ka2=5.0×10^−11. What is the [HCO2−3] of a 0.025 M solution of carbonic acid? Carbonic acid (H2CO3) November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 [...]
6.0 g weak acid HA (mol. mass=60 g/mol.) is dissolved in water and formed 10 m^3 solution. If Ka(HA)=10^−9, then pOH of solution is : [Given: log 4=0.6]
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Nov
6.0 g weak acid HA (mol. mass=60 g/mol.) is dissolved in water and formed 10 m^3 solution. If Ka(HA)=10^−9, then pOH of solution is : [Given: log 4=0.6] 6.0 g weak acid HA (mol. mass=60 g/mol.) is dissolved in water and formed 10 m^3 solution. If Ka(HA)=10^−9 then pOH of solution is : [Given: log [...]
The [H+] of a resulting solution that is 0.01 M acetic acid (Ka=1.8×10^−5) and 0.01 M in benzoic acid (Ka=6.3×10^−5) :
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Nov
The [H+] of a resulting solution that is 0.01 M acetic acid (Ka=1.8×10^−5) and 0.01 M in benzoic acid (Ka=6.3×10^−5) : The [H+] of a resulting solution that is 0.01 M acetic acid (Ka=1.8×10^−5) and 0.01 M in benzoic acid (Ka=6.3×10^−5) : November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level [...]
What is [NH+4] in a solution that contain 0.02 M NH3(Kb=1.8×10^−5) and 0.01 M KOH?
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Nov
What is [NH+4] in a solution that contain 0.02 M NH3(Kb=1.8×10^−5) and 0.01 M KOH? What is [NH+4] in a solution that contain 0.02 M NH3(Kb=1.8×10^−5) and 0.01 M KOH? November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
How much water must be added to 300 mL of 0.2 M solution of CH3 COOH(K)a=1.8×10^−5 for the degree of dissociation of the acid to double?
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Nov
How much water must be added to 300 mL of 0.2 M solution of CH3 COOH(K)a=1.8×10^−5 for the degree of dissociation of the acid to double? How much water must be added to 300 mL of 0.2 M solution of CH3 COOH(K)a=1.8×10^−5 for the degree of dissociation of the acid to double? November 12, 2020 [...]
What concentration of HCOO− is present in a solution of weak of 0.01 M HCOOH (Ka=1.8×10^−4 and 0.01 M HCl?
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Nov
What concentration of HCOO− is present in a solution of weak of 0.01 M HCOOH (Ka=1.8×10^−4 and 0.01 M HCl? What concentration of HCOO− is present in a solution of weak of 0.01 M HCOOH (Ka=1.8×10^−4 and 0.01 M HCl? November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , [...]
If degree of dissociation is 0.01 of decimolar solution of weak acid HA then pKa of acid is :
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Nov
If degree of dissociation is 0.01 of decimolar solution of weak acid HA then pKa of acid is : If degree of dissociation is 0.01 of decimolar solution of weak acid HA then pKa of acid is : November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , N Awasthi [...]
0.01 M HA (aq.) is 2% dissociated, [OH−] of solution is :
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Nov
0.01 M HA (aq.) is 2% dissociated, [OH−] of solution is : [OH−] of solution is : 0.01 M HA (aq.) is 2% dissociated November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
A weak base MOH of 0.1N concentration shows a pH value of 9 . What is the percentage degree of dissociation of the base ?
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Nov
A weak base MOH of 0.1N concentration shows a pH value of 9 . What is the percentage degree of dissociation of the base ? A weak base MOH of 0.1N concentration shows a pH value of 9 . What is the percentage degree of dissociation of the base ? November 12, 2020 Category: Chapter [...]
A 0.10 M solution of HF is 8.0% dissociated What is the Ka?
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Nov
A 0.10 M solution of HF is 8.0% dissociated What is the Ka? A 0.10 M solution of HF is 8.0% dissociated What is the Ka? November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,