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# Calculate how many grams of NaCl you require to make 4 oz 1 M NaCl solution and write the answer here:652g .

1. Calculate how many grams of NaCl you require to make 4 oz 1 M NaCl solution and write the answer here: .

THEN

Calculate how many ml of your original 1 M NaCl solution would be required to prepare 10 oz of a 0.2 M NaCl solution and write the answer here___________ (show work below).

2. Add the calculated amount of your concentrated solution to cup A and dilute to 10 oz with water.

3. Swirl flask A to mix.

4. Calculate how many ml of your newly prepared 0.2 M NaCl solution would be required to prepare 10 oz of a 0.05 M NaCl solution and write the answer here___________