Hydrogen peroxide, also known as dihydrogen dioxide, has a pH level anywhere from 1 to 5, depending on the solution's concentration and how it is produced. Many hydrogen peroxide solutions contain stabilizers that affect... More » Science Chemistry

Hydrogen peroxide will naturally decompose into water and oxygen when exposed to sunlight, but it can also be rendered inert by adding oxalic acid, active carbon or many other mild acids. Hydrogen peroxide is more basic ... More » Science Chemistry Acids & Bases

Hydrogen peroxide is slightly acidic pH of 6.2 and is, therefore, similar to milk or rain water. That is the pH of hydrogen peroxide at full concentration; all hydrogen peroxide solutions sold commercially are diluted an... More » Science Chemistry Acids & Bases
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The pH of a solution with a 10^-8 mol/L hydrogen ion concentration is 8. This is because pH is based on a negative logarithmic scale. To convert between pH and hydrogen ion concentration, use this equation: pH = -log[H+]... More » Science Chemistry

According to the Hyperphysics Web page of Georgia State University, concentrated HCl has a pH of 0. The pH of HCl is highly dependent upon the concentration of HCl in water. The less concentrated the HCl solution, the hi... More » Science Chemistry

At 77 degrees Fahrenheit, the pH of pure water is approximately 7. The pH value describes the acidity or basicity of an aqueous solution. Acids have pH values of less than 7 while bases have pH values greater than 7. A p... More » Science Chemistry

Changing the pH level can change the shape of a protein. This process is called "denaturing" the protein. When a protein becomes denatured, it does not function optimally or it does not function at all. More » Science Chemistry