Standard Solution (1)

Chemistry

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Definition of standard solution

A solution with known concentration

Parameters that have to be measured accurately In the preparation of standard solutions (1)

Mass of solute

Parameters that have to be measured accurately In the preparation of standard solutions (2)

The volume of distilled water

Definition of hygroscopic

The ability to absorb moisture and water in the air

Characteristic of sodium carbonate

Alkaline

Solid materials that can be used to make standard solution

Sodium carbonate and oxalic acid

Procedure for preparation of standard solution from a solid (1)

Determine the mass of solid needed using the formula n = MV/1000

Procedure for preparation of standard solution from a solid (2)

Weigh the mass calculated using the electronic balance

Procedure for preparation of standard solution from a solid (3)

Add 100 cm3 of distilled water to the solid in a beaker

Procedure for preparation of standard solution from a solid (4)

Stir the mixture with a glass rod until all the solid is completely dissolved in the distilled water

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