Question

A solution at ph 10 contains __________ than the same amount of solution at ph 8.

Answer 1

100 times less H+

A solution at ph 10 contains 100 times less H+ than the same amount of solution at ph 8.

The pH scale: How does it function?

• The pH scale determines how acidic or basic water is.
• The range is 0 to 14, with 7 representing neutrality.
• Acidity is indicated by pH values below 7, whereas baseness is shown by pH values above 7.
• In reality, pH is a measurement of the proportion of free hydrogen and hydroxyl ions in water.

How does the pH change when two acids are combined?

• An acid's strength increases with the quantity of hydrogen ions it releases.
• The pH of the strong acids is between 1 and 2.
• We may observe that there is no response when two acids of the same strength are combined.
• It's because the end product will be neutral and the pH won't change.

How is pH value determined?

There are two ways to measure pH:

• colorimetrically with indicator fluids or sheets
• electrochemically with electrodes and a millivoltmeter for greater accuracy (pH meter).

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