Search results
Test the pH of everyday liquids such as coffee, spit, and soap to determine whether each is acidic, basic, or neutral. Investigate how adding more of a liquid or diluting with water affects pH. Skip to Main Content
The pH is the first step and is analyzed to determine if acidosis or alkalosis is present. A pH of less than 7.35 is acidosis. A pH greater than 7.45 is alkalosis.
30 wrz 2020 · The pH scale shows how acidic or basic a chemical is in aqueous solution (mixed with water). The scale runs from 0 (most acidic) to 14 (most alkaline or basic), where 7 is neutral pH. Chemicals with pH values from 0 up to 7 are acids, those with a pH value of 7 are neutral, and those with pH values greater than 7 up to 14 are bases.
We will calculate the pH of the solutions using the following 3 steps for each problem. Step 1: What is left in solution? Step 2: What are the equilibrium concentrations of the species in solution?
The pH scale typically ranges from 0 to 14, with 7 being neutral. A pH less than 7 indicates an acidic solution, while a pH greater than 7 indicates a basic (alkaline) solution. The pH scale is logarithmic, which means each whole pH value below 7 is ten times more acidic than the next higher value.
How do strong and weak acids differ? Use lab tools on your computer to find out! Dip the paper or the probe into solution to measure the pH, or put in the electrodes to measure the conductivity. Then see how concentration and strength affect pH.
This quiz tests your knowledge of how to calculate concentration, pH/pOH, Ka/Kb and percent ionization of weak acids and bases.
