making salts

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7 Terms

1
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hat is measured in cylinder & transferred to beaker?

20cm³ sulfuric acid

2
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how is acid heated

gently with bunsen burner

3
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what is then added to the beaker?

small amounts of insoluble base (copper oxide in excess)

4
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why is the solution filtered?

to filter out excess copper oxide

5
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after filtered solution is poured in evaporating basin, where is it left to evaporate?

in a water bath

6
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what is done after crystals start to form?

basin left in cool place to dry for 24 hours

7
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after cooling what is the final step?

pat crystals dry between 2 pieces of filter paper