Question

3 attempts left Check my work Enter your answer in the provided box. A solution is made by dissolving 20.3 g of HCl in enough water to make 642 mL of solution. Calculate the pH of the solution at 25°C. 1

Answer 1

62 ml solution HC - & wale 20.39 molarnass = 36.46 g/mol = .642 Lit sotation moles Molarity = mass Volumelinlitt molermass x volume linkit 20.39 = 0.0673M 36.46 g/mol x .6422 pH = -log [H] He is a strong acid ionised completely [ht] = 0.8673 pH = - log [.8673] = - (-:06) = .06 (pH = .062