A solution of HI has a pH of 1.45. It was prepared by taking 30 mL from a stock solution and diluting this aliquot to 100mL. A) What is the pH of the stock solution? Choose from A-D. B) How many grams of HI must be used to make the stock solution if it is prepared in a 250mL volumetric flask? Choose from EH. Select 2 correct answer(s) Question 5 options: A) 12.55 B) 6.30 C) 1.97 D) 0.926 E) 11.4g F) 3.80g G) 1.52g H) 0.343g