You Have Three Ammonium Chloride Solutions on a Lab Table

question 67

Multiple Choice

You have three ammonium chloride solutions on a lab table in front of you. All of the solutions came from a 500.0-mL volumetric flask containing 3.00 M ammonium chloride. Solution 1 contains 124.6 mL of the 3.00 M solution.
Solution 2 contains 52.9 mL of the 3.00 M solution.
Solution 3 contains 21.3 mL of the 3.00 M solution.
How many moles of ions does Solution 3 contain?

• A) 0.128 mol
• B) 0.192 mol
• C) 0.320 mol
• D) 0.0639 mol
• E) 0.0320 mol

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