A Solution Is Prepared by Dissolving 7

question 25

Multiple Choice

A solution is prepared by dissolving 7.7 g of lithium iodide, LiI, in enough water to make 400.0 mL of solution. What is the %(w/v) of LiI?

• A) 0.96%
• B) 1.9%
• C) 3.9%
• D) 7.7%

---

Definitions:

Heavy Truck

A classification of large vehicles used for hauling heavy loads, often exceeding a certain weight threshold and requiring special licensing to operate.

Trailer Service Brakes

Trailer service brakes are the primary braking system on a trailer, designed to be activated by the driver to slow down or stop the trailer during transport.

Treadle Valve

A type of foot-operated valve used in pneumatic systems of vehicles, especially for controlling the air pressure to brakes.

Panic Application

A sudden and forceful application of the brakes by a driver, typically in an emergency to avoid a collision.