Question

identification test for magnesium hydroxide
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Answer 1

Answer:

Procedure: Boil 2.0 g sample with 100 ml of water for 5 minutes in a covered beaker, filter while hot, cool, and dilute the filtrate with water to 100 ml. Titrate 50 ml of the diluted filtrate with 0.10N sulfuric acid, using methyl red as the indicator: not more than 2.0 ml of the acid is consumed.

Answer 2

Procedure: Boil 2.0 g sample with 100 ml of water for 5 minutes in a covered beaker, filter while hot, cool, and dilute the filtrate with water to 100 ml. Titrate 50 ml of the diluted filtrate with 0.10N sulfuric acid, using methyl red as the indicator: not more than 2.0 ml of the acid is consumed.