Answer the following questions

1. Determine the molar mass of Mg(OH) 2 from the Periodic Table you have been given. Show all working out . Express your final answer to two decimal places.

2. What mass of Mg(OH) 2 is required to make 400 mL of a 0.300 M solution? Use the molar mass that you worked out in the question above. Show your working. Express your final answer to two decimal places

3. What mass of Mg(OH) 2 is required to prepare 220 mL of a 2% Mg(OH)2 (w/v) solution. Show your working out. Express your final answer to two decimal places.

4 What volume of 0.3500 M solution Mg(OH) 2 is required to prepare 460 mL of a 0.09M Mg(OH) 2 solution.Show your working out. Express your final answer to two decimal places

7. How many grams of NaCl would be required to prepare 200 mL of 5% (w/v) sodium chloride solution?

8. Calculate concentration of diluted saline solution if 150mL of 25%w/v saline is diluted to 750mL.