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The pH scale measures the acidity of a substance. It ranges from 1-14. 7 is neutral, anything below that is acid. The lower the number the more acidic the substance is. If it is higher than 7 it is alkali, which means it is a base. And the opposite of acid, the higher the number the more alkali it is.
Wiki User
∙ 11y ago
Wiki User
∙ 7y agoA solutions acidity is a measure of the concentration of hydronium ions (H3O^+) and is really only valid for aqueous solutions. It is measured on the pH scale, where pH < 7 is acidic; pH > 7 is basic and pH = 7 is neutral.
Wiki User
∙ 15y agothe pH value reduces with the strength of the acid. e.g. pH 2 is much stronger than pH 4
Wiki User
∙ 13y agoA soulutions acidity, is measure by the pH scale.
Wiki User
∙ 8y agoThe pH is lower.
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What value is used to express the acidity or icity of a solution called?
The acidity and the basicity are expressed by pH (the negative logarithm of the hydronium ion activity).
What is the purpose of the litmus paper test?
Litmus paper test is done to check the pH value of a solution. pH is a measure of acidity and or alkalinity of a solution.
What is meant by the pH of a solution?
The value for pH (classically 0 to 14) is the measure of how acidic or basic a solution is.The abbreviation is from the term power or potential of hydrogen, giving the relative molar concentration of hydronium ions (H3O+ i.e. hydrogen ions in solution).
What the pH number of an indicator for the concentration of?
The pH value is an indication of the acidity/alkalinity of a solution. More precisely, the pH value is a representation of the concentration of hydrogen cations (hydronium ions) in a solution.
What term best describes the measure of the acidity of a solution?
nothing
What do the pH numbers refer to?
The pH value is a measure of the acidity/basicity of a solution.
Can pH value be related to acidity?
Yes to lower acidity you can add alkalines which increase Ph values
What happens when a solution increases its acidity?
Its pH value becomes decreased.
What value is used to express the acidity or icity of a solution called?
The acidity and the basicity are expressed by pH (the negative logarithm of the hydronium ion activity).
Were does pH come from?
The pH is the measure of the hydrogen ion activity in solutions. The value of pH determine the acidity or alkalinity of a solution.
What is acidity of hydrogen chloride?
Hydrogen chloride is an acid and its acidity depends on the concentration of the solution. For example, a 0.1M solution of HCl has a pH value of 2.0
What is the purpose of the litmus paper test?
Litmus paper test is done to check the pH value of a solution. pH is a measure of acidity and or alkalinity of a solution.
What does the pH of the solution represent?
The pH is a measure of the acidity/alkalinity of a solution.
How to measure the acidity and basicity of a substances?
The pH of a solution is a measure of the molar concentration of hydrogen ions in the solution and as such is a measure of the acidity or basicity of the solution. The letters pH stand for power of hydrogen and numerical value for pH is just the negative of the power of 10 of the molar concentration of H+ ions.
What does pH describe in a solution?
acidity or basicity of a solution
Is it true that the pH scale indicates the acidity of a solution?
Yes, it is true that the pH scale indicated the acidity (as well as how basic) of a solution.
What value is ued to express the acidity or bacity of a solution called?
The acidity or basicity are expressed by pH (the negative logarithm of the activity of hydronium ion).
