625 g of hclg a strong acid is dissolved in water to make a

Question

6.25 g of HCl(g), a strong acid, is dissolved in water to make a 280-mL solution. Calculate the pH of the resulting solution.

Step 1: Calculate the number of moles of HCl(g) mol.

Step 2: Determine the number of moles of H₃O⁺(aq). moles.

Step 3: Determine the concentration of H₃O⁺(aq). mol/L.

Step 4: Calculate the pH.