- Calculate the molarity if 2.85 g sodium carbonate is made into 750.0 mL solution.
- Determine the number of grams needed to make 150.0 mL of 0.25 M NaBr.
- Determine the pH of a solution having [H
^{+}] = 6.25×10^{-4}. - Determine the [OH
^{–}] of a solution having a pH = 9.8. - If a titration needs 39.36 mL of 0.25 M NaOH to neutralize 10.00 mL of HCl, determine the molarity of the HCl.

- Determine the number of grams needed to make 250.0 mL of 0.50 M NaCl.
- Determine the pH of a solution having [H
^{+}] = 3.5×10^{-8}. - Is the solution in number 2 an Acid or Base?
- Determine the [OH
^{–}] of a solution having a pH = 4.8. - If a titration needs 25.36 mL of 0.15 M NaOH to neutralize 10.00 mL of HCl, determine the molarity of the HCl.

Using the pH Calculations Presentation, answer the following:

- Write 2 equations for the Ionization Constant for Water.
- If the [H
^{+}] = 3.5 x 10^{-5}, calculate the [OH^{–}]. - Write the equation to calculate pH.
- If the [H
^{+}] = 3.5 x 10^{-5}, calculate the pH. - If the pH = 9.45, calculate the [H
^{+}].

- What foods do you think are Acids?
- What foods do you think are Bases?
- What is the pH scale?
- Where do acids fall on the pH scale?
- Where do bases fall on the pH scale?

A solution is made by adding 2.85 g calcium hydroxide to 865.00 mL of water. (Hint: mass of solute + mass of solvent = mass of solution = volume solution) Answer the following questions:

- Identify the solute (chemical formula) and solvent.
- Determine the grams per Liter.
- Determine the Molarity.
- Determine the %mass.
- Determine the ppm.

- Determine the number of grams needed to make 100.0 mL of 0.20 M NaOH solution.
- What is the equation used to determine Mass Percent (%mass) of a Solution?
- Determine the %mass of a solution that has 4.50 grams NaOH put into 500.0 grams solution.
- What is the equation used to determine Parts per Million (ppm) of a Solution?
- Determine the ppm of the solution in problem 3.

- Sodium Bicarbonate is added to water. Identify the solute and solvent.
- 4.50 grams NaHCO3 is added to 650 mL solution. Determine the grams/liter.
- 4.50 grams NaHCO3 is added to 500 mL solution. Determine the Molarity.
- List a few steps in how to make a solution.

- If 1947 J of heat is added to 79.24 g of substance it changes the temperature by 39.0 C. Determine the specific heat of the substance.
- Determine the amount of kilojoules of heat added to 325.65 g Iron to raise the temperature from 21.3 C to 86.8 C.