+1; pH is logarithmic. a pH increment of 1 designates a 10fold increase or decrease in H+ concentration. For example in your question solution at pH 3 is actually a million times (10^6) more acidic than the solution at pH 9.
+1; pH is logarithmic. a pH increment of 1 designates a 10fold increase or decrease in H+ concentration. For example in your question solution at pH 3 is actually a million times (10^6) more acidic than the solution at pH 9.