The K_a for HCN Is 4

question 80

Multiple Choice

The K_a for HCN is 4.9 × 10^-10.What is the value of K_b for CN^-?

• A)2.0 × 10^-5
• B)4.0 × 10^-6
• C)4.9 × 10⁴
• D)4.9 × 10^-24
• E)2.0 × 10⁹

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Definitions:

Interest Rate

The cost of borrowing money or the return on invested resources, typically expressed as a percentage of the principal amount per time period.

Expected Rate

Typically refers to the predicted yield or return of an investment over a specific period.

Total Investment

The aggregate amount of money invested in an economy's capital assets over a specific period, including both private and public sector spending.

Interest Rate

The proportion of a total amount of money that is levied for borrowing it, usually specified as a yearly percentage.