Activity 5 1-19-11 pH

Describe pH, present a table of pH ranges for some common things.

• pH is a measure of the acidity or alkalinity of a solution. It approximates but is not equal to p[H], the negative logarithm (base 10) of the molar concentration of dissolved hydrogen ions

pH 3 compared to pH 4

• Which is more acidic? pH 3
• By how many times? 10 times