Calculate the hydronium ion
1. 3.10 g of HI(g) is dissolved in water to make a 450 mL solution. Calculate the hydronium ion
concentration and the pH of the solution.
2. 540 mg of solid potassium hydroxide is dissolved in water to make a 700 mL solution. Calculate the pOH of the solution.
3. Calculate the mass of solid barium hydroxide required to make a 80 mL solution with a pOH of 2.65