Ion-Exchange Resins Can Remove Mg²⁺ and Ca²⁺ in Water (Called

question 122

Multiple Choice

Ion-exchange resins can remove Mg²⁺ and Ca²⁺ in water (called softening) by releasing Na⁺. What would be the concentration of sodium ion in the softened water if the combined concentration of these Group 2A ions that were removed from the hard water was 0.026 M?

• A) 0.052 M
• B) 0.26 M
• C) 0.13 M
• D) 0.00 M
• E) Can't tell, necessary information is lacking.

---

Definitions:

Process

A series of actions or steps taken to achieve a particular end in a business or manufacturing environment.

Production

The process of transforming raw materials or components into finished goods ready for sale, using labor, machinery, tools, and other resources.

Operations

The day-to-day activities necessary for an organization to run effectively, encompassing production, distribution, and fulfillment of products or services.

Equivalent Units

A measure used in cost accounting to express the amount of materials or labor consumed in terms of fully completed units.