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Carbon dioxide.

Remember the general rule for acids and carbonates.

Acid + Carbonate = Salt + Water + Carbon Dioxide.

e.g.

2HCl + CaCO3 = CaCl2(Salt) + H2O + CO2 ( using a mineral acid)

2CH3COOH + Na2CO3 = 2CH3COONa + H2O + CO2 ( using an organic acid).

Notice in both cases the gas , Carbon Dioxide (CO2) is liberated.

The last example above, can be conducted at homem using Vinegar(Acetic (Ethanoic) Acid ) and Washing soda(Soda crystals),Sodium Carbonate.

You will know it has reacted, by seeing 'effervescence/fizzing'.

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lenpollock

Lvl 16
5mo ago

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