posted by Kristen .
A solution is made by dissolving 18.9 g of HCl in enough water to make 716 mL of solution. Calculate the pH of the solution at 25 degrees C
First you want to calculate the molarity of the HCl. That's
mols HCl = g/molar mass
M = mols/L soln which is 0.716 L.
Then pH = -log(HCl) = ?