 Calculating pH, pOH, [H+], [H3O+], [OH-] of Acids and Bases - Practice - Duration: The Organic. Here's a quick review of how to calculate pH and what pH means with respect to hydrogen ion concentration, acids, and bases. Since you know that [math]pH = -log[H^+][/math] you can turn the formula around to get [math][H^+] = 10^{-pH}.[/math] In your case that makes [math][H^+]  If the hydrogen ion concentration of an acid is 1 x mol/l. Author: Sasha Grimes Country: South Africa Language: English Genre: Education Published: 26 June 2016 Pages: 717 PDF File Size: 48.15 Mb ePub File Size: 47.35 Mb ISBN: 863-8-82072-375-2 Downloads: 22261 Price: Free Uploader: Sasha Grimes By the way, notice how one hundred million million is a one with fourteen zeros after it?

## The Hydronium Ion - Chemistry LibreTexts

It is not coincidence, it is logarithms! To be more precise, pH is the negative logarithm of the hydrogen ion concentration: What the equation means is just what we said before: If the hydronium concentration increases, the pH hydrogen ion concentration ph, causing the solution to become more acidic. This happens when an acid is introduced. If the hydronium concentration decreases, hydrogen ion concentration ph pH increases, resulting in a solution that is less acidic and more basic.

A variation of the equation can be used to calculate the hydronium concentration when a pH is given to us: Learning to use mathematical formulas to calculate the acidity and basicity of solutions can be difficult.

Here is a video tutorial on the subject of calculating hydronium ion concentrations: This topic is still currently under debate and no real answer has been found. Chemicals that are very basic hydrogen ion concentration ph very acidic are called "reactive.

Automobile battery acid is an acidic chemical that is reactive.

• PH - Hydrogen Ion Concentration
• How to Calculate Hydrogen Ion Concentration | Sciencing
• What is the hydrogen ion concentration of a solution having pH 11 at STP? - Quora
• Acids, Bases, & the pH Scale
• What does it mean for a solution to be acidic or basic (alkaline)?
• The Hydronium Ion

Plug in the known value for Ka. The equation then looks like this: So that equation equals: Most of the molecules in water are in that extremely stable form we know as H2O.

Actually, this balance of hydrogen ions and hydroxide ions determines the pH of the water.