What Is the PH of a 0

question 45

Multiple Choice

What is the pH of a 0.023 M solution of HCN (K_a = 4.9 x 10^-10)

• A) 1.64
• B) 10.95
• C) 3.05
• D) 5.47
• E) 4.97

---

Definitions:

Commercial Matters

Issues or affairs related to commerce, trade, and business activities.

Legislation

Laws or statutes that have been enacted by a governing body to regulate, authorize, sanction, grant, declare, or restrict various actions.

Royal Assent

The formal approval by a monarch to a bill that has passed both houses of parliament, turning it into law.

Firearms

Portable weapons that launch one or more projectiles driven by rapidly expanding high-pressure gas produced chemically by combustion or other means.