Given that the concentration of hydronium ions in a solution with pH of 2 is 0.19%, what would be the concentration of hydronium ions in a solution with pH of 3? A. 0.13% B. 0.29% C. 0.019% D. 1.9% A solution of 5% glucose is used for an infusion. Over a 2 hour period, 300 ml of the solution were used. How much glucose in grams was infused? A. 5 gm B. 12.5 gm C. 15.0 gm D. 50 gm