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kolezko [41]
3 years ago
12

Double replacement: NaOH(aq) HCl(aq)→ _____ _____ Express your answer as a chemical equation. Your answer does not need to inclu

de the phases of the product(s).
Chemistry
1 answer:
mrs_skeptik [129]3 years ago
4 0

Answer:

NaOH + HCl → NaCl + H₂O

Explanation:

In double replacement reactions, we have 2 ionic compounds that exchange their cations and anions. Let's write the ionic equation for the reactants.

Na⁺(aq) + OH⁻(aq) + H⁺(aq) + Cl⁻(aq) →

Cl⁻(aq) will replace OH⁻(aq) in NaOH forming NaCl(aq), and OH⁻(aq) will replace Cl⁻(aq) in HCl forming H₂O(l). The resulting chemical equation is:

NaOH(aq) + HCl(aq) → NaCl(aq) + H₂O(l)

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1 year ago
If a compound contains a poly atomic ion then what type of compound is it A. Convalent Compound B. Ionic Compound
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B. Ionic Compound

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A polyatomic ion is an ion that contains more than one type of atom e.g OH-, NO3²-, CO3²- etc. A polyatomic ion usually has an overall charge formed from the charges of the individual atoms that makes it up. For example, in OH-, the overall charge is -1.

Since a polyatomic ion can have an overall positive or negative charge, it must enter a reaction with another ion that complements it i.e. a negative polyatomic ion will react with a positive ion to neutralize its charge. Hence, this forms an IONIC COMPOUND. This is why most compounds with polyatomic ions are IONIC COMPOUNDS.

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