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12 cards from this deck
CO32−CO_3^{2-}CO32− (carbonate ions)
Carbon dioxide (CO2CO_2CO2)
Add dilute hydrochloric acid (HClHClHCl)
Fizzing
Bubble through limewater
Limewater turns cloudy
Can neutralise limewater and ruin test
Could contaminate the test
Minimal amount (more sensitive & accurate)
CaCO3CaCO_3CaCO3 and HClHClHCl
CaCl2CaCl_2CaCl2, CO2CO_2CO2, H2OH_2OH2O
CaCO3+2HCl→CaCl2+CO2+H2OCaCO_3 + 2HCl \rightarrow CaCl_2 + CO_2 + H_2OCaCO3+2HCl→CaCl2+CO2+H2O
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