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White Vinegar Is a Cheap Alternative to the Many Expensive \rightarrow

Question 21

Multiple Choice

White vinegar is a cheap alternative to the many expensive limescale removers on the market. Which equation correctly describes the reaction between limescale and vinegar?


A) CaCO3 (s) + 2 CH3CO2H (aq) \rightarrow Ca(CH3CO2) 2 (aq) + H2O (l) + CO2 (g)
B) CaCO3 (s) + 2 CO2H2 (aq) \rightarrow Ca(HCOO) 2 (aq) + H2O (l) + CO2 (g)
C) CaCO3 (s) + CH3CO2H (aq) \rightarrow Ca(CH2CO2) 2 (aq) + H2O (l) + CO2 (g)
D) CaCO3 (s) + CO2H2 (aq) \rightarrow Ca(COO) (aq) + H2O (l) + CO2 (g)

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