The Haber process is used to make ammonia, NH3.
N2 + 3H2 ⇌ 2NH3
A student made some calcium sulfate.
Look at the method he used:
- pour 100 cm3 of calcium nitrate solution into a beaker
- add drops of sodium sulfate solution until a precipitate appears
- allow the precipitate to settle to the bottom of the beaker
- pour off the liquid
- use a spatula to transfer the solid calcium sulfate onto a piece of filter paper.
1 ........................................................
2 ........................................................
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