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Add an acid or a base to the solution to change the pH. Adding an acid will decrease the pH, while adding a base will increase the pH. The amount that the pH increases or decreases is dependent on the strength and concentration of the acid or base.
Some common acids include hydrochloric acid (HCl), nitric acid (HNO3), sulfuric acid (H2SO4), and acetic acid (CH3COOH).
Some common bases include sodium hydroxide (NaOH), potassium hydroxide (KOH), and ammonia (NH3), which when added to water is the same as ammonium hydroxide (NH4OH).
You can also add a buffer to the solution. This is not good for changing the pH a great deal of a solution that is already acidic/basic, but if you want to make a solution from water at a certain pH, the best way to do this is with a buffer. A buffered solution is also resistant to changes in the pH which is useful for carrying out reactions at a certain pH.
See the Related Questions links to the left for more information about how to prepare a buffer solution and how to calculate the pH of solution.
Wiki User
∙ 8y ago
Wiki User
∙ 15y agoWell there are pH's zero through fourteen. Water (7) is considered neutral. 0<7 is considered an acid, 7> is a base. Acid is most acidic with a 0 pH; a base is most basic at 14. So if you want to increase the pH, add a base
Wiki User
∙ 13y agoBasic (nonacidic) compounds increase pH.
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Will the pH change when an alkali is added to an acid?
Yes. The pH will increase.
Will NaOH increase decrease or no change in pH when added to water?
increase
How does the pH in the blood change with an increase in the level of CO2?
An increase in blood CO2 levels will result in an increase in carbonic acid formation, and therefore lower the pH.
Which change shows a tenfold increase in concentration h ions?
pH 2 -> pH 1
How might the pH of the intracellular fluid change when cells increase their rate of metabolism?
the PH would decrease
Will NH3 increase decrease or no change in the pH when added to water?
The pH deccrease.
What does an antacid change in the pH process?
The pH increase with the help of an antacid.
Will the pH change when an alkali is added to an acid?
Yes. The pH will increase.
Will NaOH increase decrease or no change in pH when added to water?
increase
How does the pH in the blood change with an increase in the level of CO2?
An increase in blood CO2 levels will result in an increase in carbonic acid formation, and therefore lower the pH.
Which change shows a tenfold increase in concentration h ions?
pH 2 -> pH 1
How might the pH of the intracellular fluid change when cells increase their rate of metabolism?
the PH would decrease
What shows a tenfold increase in concentration of H plus ions?
A change in pH of 1 unit is equivalent to a 10 fold change in the concentration of H+ ions. So, a 10 fold increase in H+ ions will lower the pH by 1 pH unit.
How is a change in hydrogen ion concentration reflected in the pH?
pH is the negative logarithm of the hydrogen ion concentration; so an increase in hydrogen ion concentration give a reduction in pH. A reduction in hydrogen ion concentration causes an increase in pH.
Will H2C2O4 increase decrease or no change in the pH when added to water?
the pH will decrease slightly as oxalic acid is a weak acid.
How will soil pH change as you go further away from a lake?
The pH of soil will change as you move further away from a lake due to the increase of nutrients found in soil.
An increase in hydrogen atoms will do what to pH?
pH means power of hydrogen. So, an increase in no. of hydrogen will increase the pH.
