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:

Psychosocial Crises

Conflicts between personal impulses and the social world, which Erik Erikson proposed occur throughout one's life in eight distinct stages.

Developmental Stages

Distinct periods in an organism's life characterized by specific physical, cognitive, and social milestones that individuals pass through as they grow and develop.

Turning Points

Significant events, experiences, or decisions in an individual's life that alter the direction or course of their future.

Psychosocial Development

A theory proposed by Erik Erikson that describes how individuals evolve through various social and emotional stages from childhood to adulthood.