when a piece of limestone reacts with dilute HCl a gas is produced, when gas X is passed through lime water then a white precipitate Y is formed. on passing excessive of gas X the white precipitate dissolves forming a soluble compounds Z.a)What are X,Y, and Zb)write equation for the reactions taking palce
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a) X is Carbon-dioxide (CO2), Y is Calcium Carbonate (CaCO3), Z is Calcium Bicarbonate (Ca(HCO3)2).
b) Equation 1 :
CaCO3 + 2HCl --> CO2 + H2O + CaCl2
Equation 2 :
CO2 + Ca(OH)2 --> CaCO3 + H2O
Equation 3 :
CaCO3 + CO2 + H2O --> Ca(HCO3)2
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b) Equation 1 :
CaCO3 + 2HCl --> CO2 + H2O + CaCl2
Equation 2 :
CO2 + Ca(OH)2 --> CaCO3 + H2O
Equation 3 :
CaCO3 + CO2 + H2O --> Ca(HCO3)2
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