The chemical acidity of a solution is in units of pH: pH = -log[H^+], where [H^+] is the hydrogen ion concentration in the solution. If the sample of rain has the a pH of 3.9, how many times higher is its [H^+] than pure water's, which has a pH of 7?

Question

The chemical acidity of a solution is in units of pH: pH = -log[H^+], where [H^+] is the hydrogen ion concentration in the solution.  If the sample of rain has the a pH of 3.9, how many times higher is its [H^+] than pure water's, which has a pH of 7?

anonymous · Answer

10^(3.1) times

moonlitfate · Answer

Can you walk me through how you got that?