Aqueous Ammonia Is Commercially Available in a Solution That Is

question 33

Multiple Choice

Aqueous ammonia is commercially available in a solution that is 28% (w/w) ammonia. What is the mole fraction of ammonia in such a solution?

• A)0.017
• B)0.023
• C)0.012
• D)0.24
• E)0.29

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Definitions:

Interface

A programming construct that specifies a set of methods a class must implement without providing the method implementations.

WindowAdapter

An abstract adapter class for receiving window events, allowing its subclasses to override only the methods they are interested in.

MouseAdapter

A MouseAdapter in Java is an abstract adapter class used to receive mouse events, allowing the programmer to handle only the needed mouse events without implementing all mouse listener methods.

Class

A blueprint in object-oriented programming that defines a new data type including its data structure and the operations that can be performed on it.