Calculate the Number of Moles in 7

question 75

Multiple Choice

Calculate the number of moles in 7.5 g of Ar, and the volume that it would occupy at STP.

• A)0.19 mol, 0.0085 L
• B)0.19 mol, 4.2 L
• C)3.0 x 10² mol, 13 L
• D)3.0 x 10² mol, 6.7 x 10³ L
• E)1.0 mol, 22 L

---

Definitions:

Binding

The process of associating program variables with memory locations or the process of linking program components together.

Abstract Method

A method that is declared in an abstract class without an implementation. Subclasses inheriting the abstract class must provide an implementation for the abstract methods.

Abstract Class

A class in object-oriented programming that cannot be instantiated on its own and is designed to be subclassed, defining or inheriting common characteristics for subclasses.

Polymorphism

The ability in programming to present the same interface for differing underlying forms (data types), allowing methods to be used in a more generic way.