Calculate the Number of Oxygen Atoms in 45

question 69

Multiple Choice

Calculate the number of oxygen atoms in 45.0 g of Co₂(SO₄) ₃ (molar mass =405.8 g\mole) .

• A)8.01 × 10²³ atoms
• B)2.67 × 10²³ atoms
• C)12.0 atoms
• D)6.68 × 10²² atoms
• E)1.07 × 10²⁴ atoms

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Definitions:

Persona

An individual's social facade or front that reflects the role they are expected to play in public or in specific contexts.

Latency Period

In psychoanalytic theory, a phase of child development where sexual urges are repressed, focusing energies on other aspects such as social interactions and intellectual skills.

Generativity

A stage of psychosocial development focusing on caring for others and contributing to society, typically associated with middle adulthood.

Identity Confusion

A developmental stage or crisis characterized by uncertainty about oneself and one’s place in the world.