Question

How do you prepare 0.25 molar solution of sodium dodecyl sulphate​

Answer 1

To prepare 0.25 molar  we have to add 0.25 moles of sodium dodecyl sulphate in 1 litre of water

Explanation:

• the molecular weight of sodium dodecyl sulphate is equal to 288 gram/ mol.

• Therefore 0.25 moles of sodium dodecyl sulfate will weigh 72 gm. we have to take the solute of sodium dodecyl sulfate and carefully at 72 grams of the the solute in the solvent which is most commonly water.
• The amount of solvent is taken to be one litre. They should be added and mixed properly. This makes 0.25 molar solution of sodium dodecyl sulfate

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