CH-1021
Preparing salts
Chemistry · Secondary 4 · Medium · Preparing salts
A student adds excess magnesium to 50 cm³ of dilute hydrochloric acid to prepare magnesium chloride crystals.
Which step must be done immediately after adding excess magnesium?
Which step must be done immediately after adding excess magnesium?
- Filter to remove the excess magnesium
- Cool the mixture to obtain crystals
- Dry the solid between filter papers
- Add more acid until all magnesium dissolves
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