CH-1088
Preparing salts
Chemistry · Secondary 4 · Medium · Preparing salts
A student wants to prepare insoluble lead(II) sulfate, PbSO₄, in the laboratory.
Which reaction is most suitable for making pure solid lead(II) sulfate?
Which reaction is most suitable for making pure solid lead(II) sulfate?
- PbO(s) + H₂SO₄(aq) → PbSO₄(aq) + H₂O(l)
- PbCO₃(s) + H₂SO₄(aq) → PbSO₄(aq) + CO₂(g) + H₂O(l)
- Pb(NO₃)₂(aq) + Na₂SO₄(aq) → PbSO₄(s) + 2NaNO₃(aq)
- Pb(s) + H₂SO₄(aq) → PbSO₄(s) + H₂(g)
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