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A pH of 4 is one order of magnitude more acidic that a pH of 5. So. the 4 pH has the greater hydrogen ion concentration.

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What are the substance that can take up or release hydrogen ions into solution as hydrogen concentration of solution changes?

Substances that can take up or release hydrogen ions into solution as the hydrogen concentration changes are called buffers. Buffers help maintain the pH of a solution by accepting or donating hydrogen ions as needed. This helps prevent large fluctuations in pH when acids or bases are added to the solution.


Low pH means that the hydrogen-ion concentration is?

pH refers to hydrogen parts the lower the hydrogen parts the more acidic a substance is the higher adversely relates to how alkaline or basic a substance is it is scaled from 1-14 i being the most acidic 14 being the most basic when the pH is high, then the concentration of Hydrogen(H+) ions is low


The strenghth of an acid is based on the concentration of what ions?

The strength of an acid is based on the concentration of hydrogen ions. Any compound with hydrogen in front of it, such as hydrochloric acid (HCl) is acidic.


A substance that combines with hydrogen ions?

A substance that combines with hydrogen ions is called a base. Bases accept protons (hydrogen ions) to form water molecules. This process is the basis of the Brønsted-Lowry definition of bases.


What scale measures the concentration of hydrogen ions in solution?

A measure of the concentration of hydrogen ions in solutions is the pH. Solutions with more hydrogen ions are acids, and substances with less hydrogen ions are bases. Furthermore, each number descending has ten times the amount of hydrogen ions of the previous number (ie a solution with a pH of 5 has 1,000 more hydrogen ions than a solution with a pH of 8).

Related Questions

What is the PH of a solution in which the concentration of hydroxide ions is greater than the concentration of hydrogen ions?

< 7


How do you make alkaline?

The concentration of dissociable OH- ions is a measure of the basicity of the substance. Greater the concentration of hydroxyl ions, greater is it alkaline.


Which ions is in greater concentration in an acidic pH?

In an acidic pH, the concentration of hydrogen ions (H+) is greater compared to other ions. This is because acidic solutions have a higher concentration of H+ ions, leading to a decrease in pH below 7.


What substance liberates hydrogen ions in water solutions?

An acid is a substance that liberates hydrogen ions (H+) in water solutions. Acids donate protons in water, increasing the concentration of hydronium ions (H3O+).


What element are you measuring the concentration of ions of when measuring the pH of a substance?

You are measuring the concentration of the cation of hydrogen. Hence the name 'power of Hydrogen' -> pH


If the ph of a substance is 11 then that substance is?

If a substance has a PH of 11 then the substance is basic.


At what pH is a substance an acid or a base?

The pH is measure from 1 to 14. so, from 1 to 6.9 the substance is acidic. and from 7.01 to 14 the substance is basic. 7 is neutral. The closer the substance is to 7 it is either basic or acidic. As the number is lower the substance is more acidic for example: pH 2.9 is more acidic than pH 4.8


Will a substance - with a pH of 10 - have more hydrogen ions than hydroxide ions?

No. A pH of 10 is basic, which means, by definition, that it has more hydroxide ions than hydronium* ions. *Acids and bases are not measured with hydrogen atoms but the effect is the same.


Do bases have a high or low concentration of hydrogen ions?

Bases have a lower concentration of hydrogen ions compared to acids. This is because bases donate hydroxide ions (OH-) which can combine with hydrogen ions (H+) to form water, reducing the concentration of free hydrogen ions in the solution.


Which type of chemical substance lowers the H concentration in a solution?

A base or alkaline substance lowers the H (hydrogen ion) concentration in a solution. Bases can accept or remove hydrogen ions from the solution, increasing the concentration of OH- ions and thereby reducing the concentration of H+ ions. Examples of bases include sodium hydroxide (NaOH) and ammonia (NH3).


What makes pH go up and down?

pH tells us the hydrogen ion (H+) ion concentration. The lower the number - the greater the number of hydrogen ions. Adding hydrogen ions decreases pH (and increases acidity) removing them (eg by adding hydroxide OH-) increases pH.


What a substance with a higher concentration of H3O ions?

A substance with a higher concentration of H3O+ ions would be an acidic solution. In acidic solutions, the concentration of H3O+ ions is greater than the concentration of OH- ions, leading to a lower pH value. Substances like hydrochloric acid or sulfuric acid are examples of substances with a high concentration of H3O+ ions.