The PH of a Solution Prepared by Dissolving 0

question 70

Multiple Choice

The pH of a solution prepared by dissolving 0.350 mol of solid methylamine hydrochloride (CH₃NH₃Cl) in 1.00 L of 1.10 M methylamine (CH₃NH₂) is __________. The K_b for methylamine is 4.40 × 10^-4. (Assume the final volume is 1.00 L.)

• A)1.66
• B)2.86
• C)10.28
• D)11.14
• E)10.61

---

Definitions:

Supply Tanks

Containers used to store fluids or gases needed for the operation of machinery or vehicles, such as fuel or hydraulic fluid tanks.

Hold-Off Chamber

The rear chamber in a spring brake assembly that compresses the park spring when charged with air. Consists of a chamber, diaphragm, and powerful coil spring.

Parking Brakes

A secondary braking system, usually mechanically operated, designed to hold a vehicle stationary when parked.

Trailer Lock

A security device or mechanism designed to prevent the unauthorized detachment or theft of a trailer by locking it to the towing vehicle or immobilizing its wheels.