A 4691 G Sample of MgCl₂ Is Dissolved in Enough Water

question 51

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

---

Definitions:

Minimum ATC

The point at which a firm's average total cost is at its lowest, typically considered in the context of the long-run average cost curve.

Purely Competitive Market

A market structure characterized by many buyers and sellers, free entry and exit, and a product that is homogeneous across suppliers.

Short Run

A period of time during which at least one input, like equipment or labor, is fixed while others can be varied to change output levels.

Automatic Market Adjustments

The self-regulating behavior of markets where prices and quantities adjust to changes in demand and supply conditions without external intervention.