Which solution contains the largest number of chloride ions? 100.0 mL of 0.80 M NaCl 100.0 mL of 0.30 M MgCl, 100.0 mL of 0.30 M AICI,

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Which solution contains the largest number of chloride ions?

100.0 mL of 0.80 M NaCl100.0 mL of 0.80 M NaCl
100.0 mL of 0.30 M MgCl2100.0 mL of 0.30 M MgCl2
100.0 mL of 0.30 M AlCl3
**Question:**

Which solution contains the largest number of chloride ions?

- 100.0 mL of 0.80 M NaCl
- 100.0 mL of 0.30 M MgCl₂
- 100.0 mL of 0.30 M AlCl₃

**Explanation:**

To determine which solution contains the largest number of chloride ions, we need to consider both the concentration of chloride ions provided by each compound and the volume of the solution.

1. **NaCl:**
   - Concentration: 0.80 M
   - Each unit of NaCl provides 1 Cl⁻ ion.
   - Total Cl⁻ ions: \(0.80\, \text{mol/L} \times 0.100\, \text{L} = 0.080\, \text{mol}\)

2. **MgCl₂:**
   - Concentration: 0.30 M
   - Each unit of MgCl₂ provides 2 Cl⁻ ions.
   - Total Cl⁻ ions: \(0.30\, \text{mol/L} \times 0.100\, \text{L} \times 2 = 0.060\, \text{mol}\)

3. **AlCl₃:**
   - Concentration: 0.30 M
   - Each unit of AlCl₃ provides 3 Cl⁻ ions.
   - Total Cl⁻ ions: \(0.30\, \text{mol/L} \times 0.100\, \text{L} \times 3 = 0.090\, \text{mol}\)

**Conclusion:**
The solution with 100.0 mL of 0.30 M AlCl₃ contains the largest number of chloride ions, totaling 0.090 mol.
Transcribed Image Text:**Question:** Which solution contains the largest number of chloride ions? - 100.0 mL of 0.80 M NaCl - 100.0 mL of 0.30 M MgCl₂ - 100.0 mL of 0.30 M AlCl₃ **Explanation:** To determine which solution contains the largest number of chloride ions, we need to consider both the concentration of chloride ions provided by each compound and the volume of the solution. 1. **NaCl:** - Concentration: 0.80 M - Each unit of NaCl provides 1 Cl⁻ ion. - Total Cl⁻ ions: \(0.80\, \text{mol/L} \times 0.100\, \text{L} = 0.080\, \text{mol}\) 2. **MgCl₂:** - Concentration: 0.30 M - Each unit of MgCl₂ provides 2 Cl⁻ ions. - Total Cl⁻ ions: \(0.30\, \text{mol/L} \times 0.100\, \text{L} \times 2 = 0.060\, \text{mol}\) 3. **AlCl₃:** - Concentration: 0.30 M - Each unit of AlCl₃ provides 3 Cl⁻ ions. - Total Cl⁻ ions: \(0.30\, \text{mol/L} \times 0.100\, \text{L} \times 3 = 0.090\, \text{mol}\) **Conclusion:** The solution with 100.0 mL of 0.30 M AlCl₃ contains the largest number of chloride ions, totaling 0.090 mol.
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