A 4691 G Sample of MgCl₂ Is Dissolved in Enough Water

question 174

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)3.70 × 10^-2 M
• B)1.05 × 10^-2 M
• C)6.57 × 10^-2 M
• D)4.93 × 10^-2 M
• E)0.131 M

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