0
pH = -log [H+]
So collect the hydrogen gas in a syringe and measure the volume.
Moles of hydrogen can be found using;
n = PV / RT
Pressure should be 1atm
Temperature will be around 293K
R is 8.314 * atm/mols
V is the reading on the syringe
Now that n (of hydrogen gas) is calculated we can find the moles of hydrogen ions using a stoimetric (balanced) equation
With that done use;
C = n/V
V being the volume of the solution that you electrolysed
The C is the concentration of H+ ions and now can be subed into the equation;
pH = -log [H+]
to give pH
What else can I help you with?
Which electrode is used in pH meter?
A glass electrode is commonly used in a pH meter to measure the pH of a solution. The electrode contains a special glass membrane that responds to changes in hydrogen ion concentration in the solution.
What does the pH of a dilution measure?
pH is a measure of the hydrogen ion (H+) activity in a solution.
Why is pH called pH?
It's from the French: pouvoir hydrogen (literally, the Power of Hydrogen).
Why don't solids have a pH?
Solids do not have a pH because pH is a measure of the concentration of hydrogen ions in a solution. Since solids are not in solution, they do not have free hydrogen ions to measure pH. pH can only be measured in aqueous solutions.
What errors occur when using the pH meter?
Common errors when using a pH meter include improper calibration leading to inaccurate readings, contamination of the electrode affecting measurement accuracy, and not properly rinsing the electrode between samples, which can result in cross-contamination. Additionally, using the wrong buffer solution for calibration can also lead to errors in pH readings.
Which electrode is used in pH meter?
A glass electrode is commonly used in a pH meter to measure the pH of a solution. The electrode contains a special glass membrane that responds to changes in hydrogen ion concentration in the solution.
How does a pH electrode work to measure the acidity or alkalinity of a solution?
A pH electrode works by measuring the electrical potential difference between a reference electrode and a glass electrode. The glass electrode is sensitive to hydrogen ions in the solution, which determines the acidity or alkalinity. The pH value is calculated based on this potential difference.
What type of electrodes use in pH meter?
pH meters typically use glass electrodes to measure the pH of a solution. These electrodes are sensitive to changes in hydrogen ion concentration and provide accurate pH readings. Additionally, reference electrodes are used in combination with the glass electrode to ensure reliable and consistent measurements.
How does a pH electrode work?
A pH electrode works by measuring the electrical potential difference between a reference electrode and a glass electrode. The glass electrode contains a special membrane that responds to changes in hydrogen ion concentration, which is used to determine the pH of a solution.
How do pH electrodes work to measure the acidity or alkalinity of a solution?
pH electrodes work by measuring the electrical potential difference between a reference electrode and a glass electrode in contact with the solution. The glass electrode responds to the hydrogen ion concentration in the solution, which is directly related to its acidity or alkalinity. The pH value is then calculated based on this potential difference, providing a measure of the solution's acidity or alkalinity.
Ph meter is an electronic instrument with an electrode that is sensitive to the what ions?
The pH meter measures the concentration of hydrogen ions (H+) in an aqueous solution
How does pH relate to hydrogen ion concentration?
pH is a measure of the concentration of hydrogen ions in a solution. As pH decreases, the hydrogen ion concentration increases, and as pH increases, the hydrogen ion concentration decreases. pH is calculated using the negative logarithm of the hydrogen ion concentration.
What can measure pH?
pH can be measured using a pH meter, pH paper, or pH indicator solutions. These tools detect the acidity or basicity of a solution by measuring the concentration of hydrogen ions present.
What are the parts pH meter?
A pH meter typically consists of a probe with a glass electrode, a reference electrode, and a meter that displays the pH value. The glass electrode measures the hydrogen ion concentration in a solution, while the reference electrode provides a stable reference point. The meter then calculates and displays the pH value based on the difference in electrical potential between the two electrodes.
How does a pH meter work to measure the acidity or alkalinity of a solution?
A pH meter measures the concentration of hydrogen ions in a solution to determine its acidity or alkalinity. The meter uses a glass electrode that generates a voltage proportional to the pH of the solution. This voltage is then converted into a pH reading displayed on the meter.
What does the pH of a dilution measure?
pH is a measure of the hydrogen ion (H+) activity in a solution.
Why you directly not measure the pH of organic solvent?
pH is defined only in diluted aqueous solutions. The pH scale, 0 - 14, comes from the dissociation of water (Ka = 10-7). In non-aquous solutions there is no water so this scale is not valid. The only way for direct pH measurement is using a normal pH sensitive electrode (glass, ISFET, enemal, ...) and use a selective electrode sensitive to other compounds in the solution (salts, ions, ...) wich are not affected by pH change.
