Which of the following will complete the double replacement reaction below?Mg(OH)2(s) + 2HNO3(aq) →
Question
Which of the following will complete the double replacement reaction below?
Mg(OH)2(s) + 2HNO3(aq) →
Solution
The double replacement reaction will be completed as follows:
Mg(OH)2(s) + 2HNO3(aq) → Mg(NO3)2(aq) + 2H2O(l)
Here's the step by step process:
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Identify the ions in the reactants: Mg(OH)2 has Mg2+ and OH- ions, while HNO3 has H+ and NO3- ions.
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In a double replacement reaction, the positive ion of one compound combines with the negative ion of the other compound, and vice versa. So, Mg2+ will combine with NO3- and H+ will combine with OH-.
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Write the products of the reaction: Mg2+ and NO3- combine to form Mg(NO3)2, and H+ and OH- combine to form H2O.
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Balance the equation: The balanced chemical equation is Mg(OH)2(s) + 2HNO3(aq) → Mg(NO3)2(aq) + 2H2O(l).
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