The pH of a 0.0516 M solution of nitrous acid () is 2.34. Calculate the of nitrous acid to 2 significant figures.
Sodium bisulfate () is used in some househould cleaners because it contains the ion, which is weakly acidic: The of is . Calculate to 2 decimal places the pH of a solution with a concentration of 0.50 M.
White vinegar is a 5.00% by mass solution of acetic acid in water. If the density of white vinegar is 1.007 g/mL, what is the pH at ? The of acetic acid is .