A 4691-G Sample of MgCl₂ Is Dissolved in Enough Water to to Give

question 34

Multiple Choice

A 4.691-g sample of MgCl₂ is dissolved in enough water to give 750. mL of solution. What is the magnesium ion concentration in this solution?

• A) 6.25 M
• B) 6.57 × 10^{-2 M}
• C) 4.38 × 10^{-2 M}
• D) 3.29 × 10^{-2 M}
• E) 2.19 ×10^{-2 M}

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