What Is the Mole Fraction of H₂ in a Mixture

question 52

Multiple Choice

What is the mole fraction of H₂ in a mixture with a total pressure of 800 torr when the partial pressure of H₂ is 90 torr?

• A)0.11
• B)8.8
• C)1.0
• D)0.5
• E)0.88

---

Definitions:

Series Circuit

A circuit in which the components or contact symbols are connected end to end, and all must be closed to permit current flow.

Series-Parallel Circuit

A circuit configuration that combines elements in both series and parallel to achieve desired electrical characteristics.

NOR Function

A logical operation that produces a true output only when all its inputs are false.

NAND Function

A binary operation that produces a false output only when all its inputs are true; it's often described as "NOT AND."