Using the thermodynamic data provided below, calculate Ka for HCN(aq)at 25°. 
Definitions:
Internal Rate
Often refers to the internal rate of return (IRR), which is a metric used to evaluate the profitability of potential investments.
Minimum Required
The least amount or level needed for a specific purpose, such as the minimum required investment or stock balance.
Net Present Value
The difference between the present value of an investment project’s cash inflows and the present value of its cash outflows.
Discount Rate
The interest rate used to discount future cash flows to present value, often reflecting the cost of capital or risk level.
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