Week 3 Exercise 2: Acids and Bases Calculations Complete the following calculations

Week 3 Exercise 2: Acids and Bases Calculations

Complete the following calculations. Show your work to obtain ALL of the points.

1) Calculate the concentration in Molarity (M) when 10.0g of sodium hydroxide (NaOH) are dissolved in 250.0mL of DI water.

a. What is the pH of the solution?

2) What is the pH and pOH of a 0.955M solution of nitric acid, HNO3(aq)?

3) The human blood maintains a pH of 7.40. What is the hydronium ion [H3O+] and hydroxide [OH-] concentrations of human blood?

4) How many grams of potassium hydroxide (KOH) are needed to neutralize 50.0 mL of 1.33M hydrochloric acid (HCl(aq))?