Adapting a multistep chemical procedure for making a pure dry salt
Lesson 5 / 19
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I can describe and explain adaptations to a multistage chemical procedure to alter or improve the quality of the product.
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Gently heating the acid speeds up the reaction, ensuring all acid reacts.
The salt should be dried using an appropriate method (using filter paper, or in the oven).
A pure sample should be prepared with equipment washed with distilled water to avoid contamination.
Reacting a metal hydroxide with an acid also produces a salt and water.
Reacting a metal carbonate with an acid can produce a desired salt with water, as well as carbon dioxide gas.
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