BIO1145 Biology-carbon tetra chloride

BIO1145 Biology-carbon tetra chloride

Task:

1) How would you prepare 45.0 mL of a 9.00 % w/v aqueous solution of NaCl ?I would use _______g of NaCl and BTV 45 mL.

2) How much 75% of NaOH can be prepared with 19 g ?______ml of 75% of NaOH could be prepared.

3) How would you prepare 375 mL of a solution that had 3 parts water,4 parts benzene and 7 parts 1.00 m NaOH?
I would mix _______ mL of water
 _________ mL benzene
 _________ mL 1.00M NaOH

4) How would you prepare 550 ml of 35 % w/v aqueous solution of NaOH. I would use _________ g NaOH and BTV 550mL.

5) How would you prepare 350.mL of a solution that had 6 parts carbon tetra chloride,1 parts ethanol and 5 parts 1M HCL.  I would mix __________ mL carbon tetra chloride ___________mL ethanol __________mL 1M HCL

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