Calculate the PH of a Buffer Solution Prepared by Dissolving

question 130

Multiple Choice

Calculate the pH of a buffer solution prepared by dissolving 0.2 mole of sodium cyanate (NaCNO) and 1.0 mole of cyanic acid (HCNO) in enough water to make 1.0 liter of solution. [K_a(HCNO) = 2.0 * 10^-4]

• A) 0
• B) 3.0
• C) 3.7
• D) 4.4
• E) 5.0

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Definitions:

Stock Options

Financial derivatives that give the holder the right, but not the obligation, to buy or sell a stock at a predetermined price within a specific time frame.

APB No.25

An accounting principle that dealt with stock-based compensation and required companies to record an expense for issued options.

Vesting Period

The period of time an employee must work before gaining full access to their benefits or compensation plans, such as pension plans or stock options.

Stock Options

Financial instruments that give employees the right to buy or sell shares of their company at a predetermined price.