Problem: Magnesium carbonate, magnesium oxide, and magnesium hydroxide are all white solids that react with acidic solutions.(A) Write a balanced molecular equation and a net ionic equation for the reaction that occurs when magnesium carbonate reacts with a hydrochloric acid solution.(B) Write a balanced molecular equation and a net ionic equation for the reaction that occurs when magnesium oxide reacts with a hydrochloric acid solution(C) Write a balanced molecular equation and a net ionic equation for the reaction that occurs when magnesium hydroxide reacts with a hydrochloric acid solution.(D) By observing the reactions in parts (A-C), how could you distinguish any of the three magnesium substances from the other two?

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(A) 

balanced molecular equation: MgCO3 (s) + 2 HCl (aq) → MgCl2 (aq) + H2O (l) + CO2 (g)

net ionic equation: MgCO3 (s) + 2 H(aq) → Mg2+ (aq) + + H2O (l) + CO2 (g)


(B)

balanced molecular equation: MgO (s) + 2 HCl (aq) → MgCl2 (aq) + H2O (l)

net ionic equation: MgO (s) + 2 H(aq) → Mg2+ (aq) + H2O (l)


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Problem Details

Magnesium carbonate, magnesium oxide, and magnesium hydroxide are all white solids that react with acidic solutions.

(A) Write a balanced molecular equation and a net ionic equation for the reaction that occurs when magnesium carbonate reacts with a hydrochloric acid solution.

(B) Write a balanced molecular equation and a net ionic equation for the reaction that occurs when magnesium oxide reacts with a hydrochloric acid solution

(C) Write a balanced molecular equation and a net ionic equation for the reaction that occurs when magnesium hydroxide reacts with a hydrochloric acid solution.

(D) By observing the reactions in parts (A-C), how could you distinguish any of the three magnesium substances from the other two?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Net Ionic Equations concept. You can view video lessons to learn Net Ionic Equations. Or if you need more Net Ionic Equations practice, you can also practice Net Ionic Equations practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Kizilkaya's class at LSU.