An atmospheric chemist is investigating the acidity of microscopic droplets in a marine fog. They determine the following average parameters for a single droplet:
Calculate the mean H3O+\text{H}_3\text{O}^+H3O+ ion concentration within a marine fog droplet. Give your answer in mol dm−3\text{mol dm}^{-3}mol dm−3.
The formula to calculate pH is:
pH=−log10[H3O+] \text{pH} = -\log_{10} [\text{H}_3\text{O}^+] pH=−log10[H3O+]where [H3O+][\text{H}_3\text{O}^+][H3O+] is the hydronium ion concentration in mol dm−3\text{mol dm}^{-3}mol dm−3. Use your calculation from part (a) to find the mean pH of the droplets. Give your answer to 2 significant figures.
