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ZnCO3(s)is Insoluble in Water, but Dissolves in Excess 6 \rarr ZnO(aq)+ H2CO3(aq)
C)ZnCO3(s)+ 2 H+(aq)

Question 64

Multiple Choice

ZnCO3(s) is insoluble in water, but dissolves in excess 6.0 molar HCl(aq) . Which equation best describes this reaction?


A) ZnCO3(s) Zn2+(aq) + CO32(aq)
B) ZnCO3(s) + H2O(l) \rarr ZnO(aq) + H2CO3(aq)
C) ZnCO3(s) + 2 H+(aq) \rarr Zn2+(aq) + H2O(l) + CO2(g)
D) ZnCO3(s) + 2 H2O(l) \rarr Zn(OH) 2(aq) + H2CO3(aq)
E) ZnCO3(s) + 2 H2O(l) \rarr Zn(OH) 2(aq) + H2O(l) +CO2(g)

Correct Answer:

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