Calculate [H⁺] in a 0

question 113

Multiple Choice

Calculate [H⁺] in a 0.012 M solution of HCN, K_a = 6.2  10^-10.

• A) 3.0  10^-7 M
• B) 3.7  10^-9 M
• C) 6.2  10^-10 M
• D) 2.7  10^-6 M
• E) 2.3  10^-4 M

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Definitions:

Community Dynamics

The variations, changes, and interactions between species within a community over time.

Biogeography

The study of the distribution of species across space (geography) and time.

Fitness

In evolutionary terms, fitness refers to the ability of an organism to survive and reproduce, thus passing its genes to the next generation.

Reproductive Age

The period in an organism's life during which it is biologically capable of producing offspring.