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Double Replacement Worksheet
Write the formula unit equation for this reaction occuring in water: Barium perchloate
and sodium sulfate are mixed to form sodium
perchlorate and barium sulfate.

1. Na2SO4(aq) + Ba(ClO)2(aq) →
2 NaClO(aq) + BaSO4(s)
2. Na2SO4(aq) + Ba(ClO3)2(s) →
2 NaClO3(aq) + BaSO4(s)
3. Na2SO4(aq) + Ba(ClO3)2(aq) →
2 NaClO3(aq) + BaSO4(s)
4. Na2SO4(aq) + Ba(ClO4)2(aq) →
2 NaClO4(s) + BaSO4(aq)
5. Na2SO4(s) + Ba(ClO4)2(aq) →
2 NaClO4(s) + BaSO4(aq)
6. Na2SO4(aq) + Ba(ClO4)2(s) →
2 NaClO4(aq) + BaSO4(s)
7. Na2SO4(aq) + Ba(ClO4)2(aq) →
2 NaClO4(aq) + BaSO4(s)

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