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pH scale ranges from 0 - 14. It measures the acidity or basicity of a solution. A measurement of 7 is neutral, less than 7 is acidic and a basic is higher than 7.
pH is measured based on the concentration of hydroxide and hydrogen (or hydronium) ions in solution. A solution containing hydrogen (H+ ions) or Hydronium ions (H3O - which is made from the reaction of hydrogen ions with water) indicate a pH lower than 7 or an acidic solution. A solution containing hydroxide ions (OH-) creates a basic solution with a pH greater than 7. It is possible to measure a pH that is greater than the bounds of the scale since the calculation for the scale is based on the negative log of the concentration of hydrogen (or hydronium) ions in the solution.
pH=-log[H3O]
therefore [H3O] = 10^-pH
What else can I help you with?
The scale used to classify the strength of acid and basic solutions?
The pH scale.
What is the pH scale of a watermelon?
Watermelon has a pH of around 5.18 to 5.6. See Related Links.
A solution that is a 4 on the pH scale is a?
A solution which has a pH lower than 7 is a acid.
What is the pH scale?
The pH scale represents the relative concentration of hydrogen ions in a solution. The concentration of hydrogen ions is commonly expressed in terms of the pH scale. Low pH corresponds to high hydrogen ion concentration and vice versa. A substance that when added to water increases the concentration of hydrogen ions (lowers the pH) is called an acid. A substance that reduces the concentration of hydrogen ions(raises the pH) is called a base. Finally some substances enable solutions to resist pH changes when an acid or base is added. Such substances are called buffers. Buffers are very important in helping organisms maintain a relatively constant pH. The pH scale is a scientific classification of how acidic or basic a substance is. The scale ranges form 0 to 14 -- a pH reading of 7 is neutral in nature , a pH less than 7 is acidic in nature and a pH greater than 7 is basic in nature.
What is the name for a substance in the pH scale that is under 7?
It`s called acid(such as HCl,,,,PH=1)
Is pH scale range is less than 0?
The pH scale is between 0 and 14 but a pH under 0 is possible for some strong acids.
What makes up PH scale?
The Ph scale doesn't have units it's a model to show where solutions rank based on the -Log of the concentration of H+ ions
What is gasoline pH scale?
Gasoline does not have a pH scale like acids or bases because it is a mixture of hydrocarbons and additives. Gasoline is typically neutral or slightly basic in nature, with a pH close to 7. pH scale is not commonly used to measure gasoline properties.
What scale is used to determine pH?
the pH scale
What scale describes the acidity of a solution as a number?
the pH
What number is highest on the pH scale?
The highest number on the pH scale is 14. The pH scale goes from 0 to 14.
Where is a strawberry on the pH scale?
strawberries are at 3.5 on the pH scale
What colour is acid on a PH scale?
The Ph scale does not have colours.
In Based on the chart which substance is most acidic?
Based on the chart, substance A is the most acidic because it has a pH of 1, which is the lowest on the pH scale, indicating a strong acidic nature.
What scale measures the concentration of hydrogen ions?
The scale that chemists use to describe the concentration of hydronium ions in a solution is know as the pH Scale
What number on the pH scale is the most acidic?
A pH of 0 is the most acidic on the pH scale.
The scale used to classify the strength of acid and basic solutions?
The pH scale.
