UBUCIKO
UBUHLE NEMPILO
UBUCIKO BEZANDLA
AMASIKO NOMLANDO
EZOKUZIJABULISA
IMVELO
UKUDLA NEZIPHUZO
REVERSE ENGINEERING
IZAYENSI
EZEMIDLALO
UBUCHWEPHESHE
IZINTO EZIGQOKWAYO
Copper Sulfate from Copper Oxide and Dilute Sulfuric Acid
Copper sulfate is made industrially by dissolving copper oxides in dilute sulfuric acid (or copper metal in hot concentrated acid). CuO + H₂SO₄ → CuSO₄ + H₂O. From the solution it crystallises in its blue hydrous form, the pentahydrate, which is about 25% copper, 38% sulfate and 36% water by mass. Commercial copper sulfate is about 98% pure. It is used as a fungicide, for etching zinc, aluminium and copper printing plates, and to make ferrous sulfate.
Ophakathi
1–2 days
Imiyalelo
1
1
Dissolve the oxide
Dissolve the oxide
Stir copper(II) oxide into dilute sulfuric acid until no more dissolves. CuO + H₂SO₄ → CuSO₄ + H₂O; the solution turns blue.
Izinto zokwakha zalesi sinyathelo:
I-Copper Oxide1 as required
I-asidi ye-sulfuric ehlanjululwe1 as requiredAmathuluzi adingekayo:
Ithangi lokuzikisa2
2
Filter
Filter
Filter off any undissolved oxide.
Amathuluzi adingekayo:
Indwangu kashizi3
3
Crystallise
Crystallise
Concentrate the blue solution and let the copper sulfate crystallise in its blue hydrous form.
Amathuluzi adingekayo:
Isisetshenziswa sokuhwamulisaIzinto
2- 1 as requiredIsibambeli
- 1 as requiredIsibambeli
Amathuluzi Adingekayo
3- Isibambeli
- Isibambeli
- Isibambeli
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