A solution contains 9.92x103 M ammonium carbonate and 9.27x103 M sodium hydroxide. Solid iron(II) acetate is added slowly to this mixture. A. What is the formula of the substance that precipitates first? formula = B. What is the concentration of iron(II) ion when this precipitation first begins? [Fe2*] =[ M
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Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
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![**Problem Description:**
A solution contains \(9.92 \times 10^{-3} \, \text{M}\) ammonium carbonate and \(9.27 \times 10^{-3} \, \text{M}\) sodium hydroxide. Solid iron(II) acetate is added slowly to this mixture.
**A. What is the formula of the substance that precipitates first?**
- **Formula**: [Answer Box]
**B. What is the concentration of iron(II) ion when this precipitation first begins?**
- \([ \text{Fe}^{2+} ] = \) [Answer Box] M
**Explanation:**
- **Question A** asks for the chemical formula of the precipitate that first forms when iron(II) acetate is added to the solution. This involves understanding solubility rules and the possible reactions between iron(II) ions, carbonate ions, and hydroxide ions.
- **Question B** requires calculating the concentration of iron(II) ions \([ \text{Fe}^{2+} ]\) at the onset of precipitation. This involves applying equilibrium principles and solubility product constants (Ksp).
This problem engages concepts in equilibrium chemistry, specifically solubility and precipitation reactions.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa7398004-5a4c-4680-b931-919c50d280d3%2Faa178c5c-c324-4014-a456-7ae156dee779%2Fi7xtddp_processed.jpeg&w=3840&q=75)
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