How do you prepare sodium chloride 150 mM?

Answer 1

A (0,1 M)

1.Weigh 0,8766 g ultrapure NaCl dried at 110 0C for 30 min.
2. Transfer NaCl in a clean 150 mL volumetric flask using a funnel. 3. Wash the funnel with 120 mL demineralized water.
4. Put the flask in a thermostat and maintain 30 min at 20 0C.
5. Add demineralized water up to the mark.
6. Stir vigorously and transfer in a clean bottle with stopper.
7. Add a label with necessary information.B (0,2 M)
1.Weigh 1, 7532 g ultrapure NaCl dried at 110 0C for 30 min.
2. Transfer NaCl in a clean 150 mL volumetric flask using a funnel. 3. Wash the funnel with 120 mL demineralized water.
4. Put the flask in a thermostat and maintain 30 min at 20 0C.
5. Add demineralized water up to the mark.
6. Stir vigorously and transfer in a clean bottle with stopper.
7. Add a label with necessary information.

Answer 2

You must use 8 part water and 2 part NaCl. For example, take 20cm qubed of NaCl and 80cm qubed of water.

Answer 3

Take 5.8g of NaCl.Then dissolve in 1dm3 of water.

Answer 4

Dissolve 8,766 g ultrapure, dried NaCl in demineralized water, at 20 0C, in a 1 L volumetric flask.

Answer 5

Dissolve 11,688 g NaCl (reagent grade) in 200 mL demineralized water at

20 0C, in a volumetric flask.

Answer 6

Dissolve 8,766 g NaCl reagent grade in 1 L demineralized water, at 20 0C in a volumetric flask.