Calculate The Ph Of The Following Solutions 2.0 M Naoh

Calculating the pH of sodium hydroxide (NaOH) solutions is crucial in various scientific and industrial applications. This calculator helps you determine the pH of 2.0 M NaOH solutions with ease.

1. Enter the volume of NaOH in liters.
2. Select the dilution factor.
3. Click ‘Calculate’.

The pH of a NaOH solution can be calculated using the formula:

pH = -log₁₀([OH^–])

Where [OH^–] is the hydroxide ion concentration, which can be calculated as:

[OH^–] = M_NaOH * D

M_NaOH is the molarity of NaOH (2.0 M), and D is the dilution factor.

Case Studies

• Undiluted 2.0 L NaOH: pH = 14.00
• 2.0 L NaOH diluted 1:2: pH = 13.30
• 2.0 L NaOH diluted 1:4: pH = 12.69

Comparison of pH Values

Volume (L)	Dilution Factor	pH
2.0	1	14.00
2.0	2	13.30
2.0	3	12.92
2.0	4	12.69

Expert Tips

• Always handle NaOH with care, as it is highly caustic.
• Store NaOH in a cool, dry place away from incompatible substances.
• Dispose of NaOH solutions according to local regulations.

What is the pH range of NaOH solutions?

NaOH solutions have a pH range of 12-14, depending on the concentration and dilution.

How does dilution affect the pH of NaOH solutions?

Dilution reduces the concentration of hydroxide ions, which in turn lowers the pH of the solution.

For more information, see the NaOH Safety Data Sheet from US Chemical.

Learn more about acid-base chemistry from the EPA.