04. Hydrogen Ion Concentration - pH Scale
Ionic Equilibrium

229842 Dissociation constant of a weak acid is $1 \times 10^{-6}$ at $25^{\circ} \mathrm{C}$. Find the $\mathrm{pOH}$ of $0.01 \mathrm{M}$ of its aqueous solution.

1 4
2 3
3 10
4 12
Ionic Equilibrium

229844 Calculate the $\mathrm{pH}$ of $0.1 \mathrm{M} \mathrm{CH} \mathrm{CH}_3 \mathrm{COH}$ solution. Dissociation constant of acetic acid is $1.8 \times 10^{-5} \mathrm{M}$.

1 2.87
2 3.52
3 2.62
4 6.54
Ionic Equilibrium

229845 The $\mathrm{pH}$ of $0.05 \mathrm{M}$ acetic acid is $\left(\mathrm{K}_2=2 \times 10^{-5}\right)$

1 2
2 11
3 $10^{-3}$
4 3
Ionic Equilibrium

229846 What is the $\mathrm{pH}$ of the $\mathrm{NaOH}$ solution when 0.04 $g$ of it dissolved in water and made to $100 \mathrm{~mL}$ solution?

1 2
2 1
3 13
4 12
Ionic Equilibrium

229842 Dissociation constant of a weak acid is $1 \times 10^{-6}$ at $25^{\circ} \mathrm{C}$. Find the $\mathrm{pOH}$ of $0.01 \mathrm{M}$ of its aqueous solution.

1 4
2 3
3 10
4 12
Ionic Equilibrium

229844 Calculate the $\mathrm{pH}$ of $0.1 \mathrm{M} \mathrm{CH} \mathrm{CH}_3 \mathrm{COH}$ solution. Dissociation constant of acetic acid is $1.8 \times 10^{-5} \mathrm{M}$.

1 2.87
2 3.52
3 2.62
4 6.54
Ionic Equilibrium

229845 The $\mathrm{pH}$ of $0.05 \mathrm{M}$ acetic acid is $\left(\mathrm{K}_2=2 \times 10^{-5}\right)$

1 2
2 11
3 $10^{-3}$
4 3
Ionic Equilibrium

229846 What is the $\mathrm{pH}$ of the $\mathrm{NaOH}$ solution when 0.04 $g$ of it dissolved in water and made to $100 \mathrm{~mL}$ solution?

1 2
2 1
3 13
4 12
Ionic Equilibrium

229842 Dissociation constant of a weak acid is $1 \times 10^{-6}$ at $25^{\circ} \mathrm{C}$. Find the $\mathrm{pOH}$ of $0.01 \mathrm{M}$ of its aqueous solution.

1 4
2 3
3 10
4 12
Ionic Equilibrium

229844 Calculate the $\mathrm{pH}$ of $0.1 \mathrm{M} \mathrm{CH} \mathrm{CH}_3 \mathrm{COH}$ solution. Dissociation constant of acetic acid is $1.8 \times 10^{-5} \mathrm{M}$.

1 2.87
2 3.52
3 2.62
4 6.54
Ionic Equilibrium

229845 The $\mathrm{pH}$ of $0.05 \mathrm{M}$ acetic acid is $\left(\mathrm{K}_2=2 \times 10^{-5}\right)$

1 2
2 11
3 $10^{-3}$
4 3
Ionic Equilibrium

229846 What is the $\mathrm{pH}$ of the $\mathrm{NaOH}$ solution when 0.04 $g$ of it dissolved in water and made to $100 \mathrm{~mL}$ solution?

1 2
2 1
3 13
4 12
Ionic Equilibrium

229842 Dissociation constant of a weak acid is $1 \times 10^{-6}$ at $25^{\circ} \mathrm{C}$. Find the $\mathrm{pOH}$ of $0.01 \mathrm{M}$ of its aqueous solution.

1 4
2 3
3 10
4 12
Ionic Equilibrium

229844 Calculate the $\mathrm{pH}$ of $0.1 \mathrm{M} \mathrm{CH} \mathrm{CH}_3 \mathrm{COH}$ solution. Dissociation constant of acetic acid is $1.8 \times 10^{-5} \mathrm{M}$.

1 2.87
2 3.52
3 2.62
4 6.54
Ionic Equilibrium

229845 The $\mathrm{pH}$ of $0.05 \mathrm{M}$ acetic acid is $\left(\mathrm{K}_2=2 \times 10^{-5}\right)$

1 2
2 11
3 $10^{-3}$
4 3
Ionic Equilibrium

229846 What is the $\mathrm{pH}$ of the $\mathrm{NaOH}$ solution when 0.04 $g$ of it dissolved in water and made to $100 \mathrm{~mL}$ solution?

1 2
2 1
3 13
4 12