When 261 G of Solid Na₂CO₃ Is Dissolved in Sufficient Water

question 88

Multiple Choice

When 2.61 g of solid Na₂CO₃ is dissolved in sufficient water to make 250. mL of solution, the concentration of Na₂CO₃ is:

• A)0.0246 M
• B)10.4 M
• C)0.205 M
• D)0.0985 M
• E)0.141 M

---

Definitions:

Collective Goods

Benefits or goods that are shared and cannot be denied to anyone within a community or society, such as clean air or public safety.

Membership Association

An organization founded and funded by members who share a common interest or goal, offering various benefits to members such as resources, networking opportunities, and advocacy.

Collective Good

A collective good, also known as a public good, is something that benefits all members of a community or society and is not diminished by individual use.

National Defense

The policies and actions taken by a country to protect itself against external threats.