You are touring the Dolomite mountain region of Italy (part of the Eastern Alps)

Question

You are touring the Dolomite mountain region of Italy (part of the Eastern Alps) and learn that the pale color of the mountains in this region is due to the mineral dolomite (contains magnesium carbonate). You decide to test a Dolomite rock sample for carbonates using the acid in your travel chemistry test kit Write the molecular equation for the reaction of the magnesium carbonate with hydrochloric acid Include state symbols b. Write the net ionic equation for the reaction above. Include state symbols (Don^'t forget the ionic charges!) c. Name the spectator pans in the reaction written in a above .

Explanation / Answer

a) Molecular equation

MgCO3 (s) + 2HCl (aq) -------------> MgCl2 (aq) + H2O (l) + CO2 (g)

b) net ionic equation

MgCO3 (s) + 2H+ (aq) --------------> Mg2+ (aq) + H2O (l) + CO2 (g)

c) Spectator ions are Chloride ions

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