Answer:
Step-by-step explanation:
Pb(NO₃)+Na(SO₄)⇒Pb(SO₄)+Na(NO₃)
make them electrically balanced
Pb(NO₃)₂+Na₂(SO₄)⇒Pb(SO₄)+Na(NO₃)
balance
Pb(NO₃)₂+Na₂(SO₄)⇒Pb(SO₄)+2Na(NO₃)
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