A Solution Contains 3

question 116

Multiple Choice

A solution contains 3.8 × 10^-2 M in Al³⁺ and 0.29 M in NaF.If the K_f for AlF₆^3- is 7 × 10¹⁹,how much aluminum ion remains at equilibrium?

• A)1.1 × 10^-19 M
• B)3.1 × 10^-22 M
• C)9.1 × 10^-19 M
• D)1.9 × 10^-21 M
• E)4.4 × 10^-20 M

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Definitions:

Actual Drug

A pharmaceutical substance with specific chemical properties that produce biological effects in the body.

Regularly Lit Room

A room that receives consistent lighting without significant changes in brightness over time.

Room Lighting

The arrangement, type, and intensity of light sources within a space, which can influence mood, perception, and performance of tasks.

Control Group

In scientific experiments, a group of subjects that does not receive the treatment being tested, used for comparison purposes with the group that does receive the treatment.