How will you prepare Sodium Hydroxide solution in laboratory?
Answers
Prepare solutions of sodium hydroxide using this handy reference table which lists the amount of solute (solid NaOH) that is used to make 1 L of base solution. Follow these lab safety guidelines:
Don't touch sodium hydroxide! It is caustic and could cause chemical burns.1 If you do get NaOH on your skin, immediately rinse it with a large volume of water. Another option is to neutralize any base on the skin with a weak acid, such as vinegar, and then rinse with water.
Stir the sodium hydroxide, a little at a time, into a large volume of water and then dilute the solution to make one liter. Add sodium hydroxide to water—do not add water to solid sodium hydroxide.
Be sure to use borosilicate glass (e.g., Pyrex) and consider immersing the container in a bucket of ice to keep the heat down. Inspect the glassware prior to use to make sure it is free from any cracks, scratches or chips that would indicate a weakness in the glass. If you use a different type of glass or weak glass, there's a chance the temperature change could cause it to shatter.
Wear safety goggles and gloves since there is a chance the sodium hydroxide solution could splash up or the glassware could break. Concentrated solution of sodium hydroxide are corrosive and should be handled with care.
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