158 ML of a 0

question 47

Multiple Choice

158 mL of a 0.148M NaCl solution is added to 228 mL of a 0.369M NH₄NO₃ solution. The concentration of ammonium ions in the resulting mixture is

• A) 0.157 M.
• B) 0.218 M.
• C) 0.625 M.
• D) 0.369 M.
• E) 0 M.

---

Definitions:

Impeller

The driving member of a torque converter torus; the impeller is mechanically connected to the engine crankshaft and should rotate at the same speed.

Lock-up Clutch

A mechanism used in automatic transmissions that locks the engine directly to the transmission's output, improving fuel efficiency and performance.

Overrunning Clutch

A drive-protection mechanism that prevents a drive member from being driven; for instance, after a starter motor has started the engine, the overrunning clutch prevents the engine from driving the starter and damaging it.

Flex Plate

A metal disc that connects the engine to the torque converter in automatic transmissions, allowing power transfer.