A Solution Is Prepared by Dissolving 11

question 121

Multiple Choice

A solution is prepared by dissolving 11.0 g of NH₃ in 250.0 g of water. The density of the resulting solution is 0.974 g/mL. The mole fraction of NH₃ in the solution is ________.

• A)0.0440
• B)0.0445
• C)0.940
• D)0.922
• E)16.8

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Definitions:

Opposite State

Refers to a condition or value that is directly in contrast or opposition to another.

Expression

An instruction that combines values and operators and always produces another value.

Right To Left Associativity

The order in which operators of the same precedence level are evaluated, from right to left, in some programming languages.

Conditional Statement

A programming statement that executes a block of code based on whether a specified condition evaluates to true or false.