Write the balanced COMPLETE ionic equation for the reaction when KOH and Cu(NO3)2 are mixed in aqueous solution. If no reaction occurs, write only NR.

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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**Title: Balancing Complete Ionic Equations**

When potassium hydroxide (KOH) and copper(II) nitrate (Cu(NO₃)₂) are mixed in an aqueous solution, your task is to write the balanced complete ionic equation. If no reaction occurs, simply write "NR" (No Reaction).

### Components Provided:
- **Charges and Numbers:** 
  - Positive and negative charges ranging from 1+ to 4+ and 1- to 4-.
  - Numbers 0 through 9.
  
- **Equation Symbols:**
  - Plus sign (+), arrow (→), and state symbols: solid (s), liquid (l), gas (g), aqueous (aq).
  
- **Chemical Elements and Compounds:**
  - Hydrogen (H), Potassium (K), Copper (Cu), Oxygen (O), Nitrate (N), and "NR" for no reaction.

### Instructions:
1. **Identify ions:** Recognize the ions formed when KOH and Cu(NO₃)₂ dissolve in water.
2. **Write the complete ionic equation:** Show all dissolved substances as ions.
3. **Balance the equation:** Ensure that the number and type of atoms on both sides are equal.
4. **Check for reaction:** Determine if a precipitate, gas, or water is formed; if not, write "NR".

This process helps in understanding chemical reactions and mastering balancing equations.
Transcribed Image Text:**Title: Balancing Complete Ionic Equations** When potassium hydroxide (KOH) and copper(II) nitrate (Cu(NO₃)₂) are mixed in an aqueous solution, your task is to write the balanced complete ionic equation. If no reaction occurs, simply write "NR" (No Reaction). ### Components Provided: - **Charges and Numbers:** - Positive and negative charges ranging from 1+ to 4+ and 1- to 4-. - Numbers 0 through 9. - **Equation Symbols:** - Plus sign (+), arrow (→), and state symbols: solid (s), liquid (l), gas (g), aqueous (aq). - **Chemical Elements and Compounds:** - Hydrogen (H), Potassium (K), Copper (Cu), Oxygen (O), Nitrate (N), and "NR" for no reaction. ### Instructions: 1. **Identify ions:** Recognize the ions formed when KOH and Cu(NO₃)₂ dissolve in water. 2. **Write the complete ionic equation:** Show all dissolved substances as ions. 3. **Balance the equation:** Ensure that the number and type of atoms on both sides are equal. 4. **Check for reaction:** Determine if a precipitate, gas, or water is formed; if not, write "NR". This process helps in understanding chemical reactions and mastering balancing equations.
Expert Solution
Step 1

The solubility of substances can be predicted by using solubility rules

Some important solubility rules are 

  1. All nitrates are soluble 
  2. All hydroxides are insoluble except those of Na+ and K+
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