A Solution Is Prepared by Dissolving 32

question 45

Multiple Choice

A solution is prepared by dissolving 32.0 g of NiSO₄ in water. What current would be needed to deposit all of the nickel in 5.0 hours?

• A)1.1 A
• B)2.2 A
• C)3.3 A
• D)4.4 A
• E)5.5 A

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Definitions:

Oval Window

A membrane-covered opening that leads from the middle ear to the vestibule of the inner ear, where sound waves are transmitted to the cochlea.

Ossicles

The three small bones in the middle ear called the malleus, incus, and stapes, which are essential for the transmission of sound.

Eardrum

A slim barrier dividing the external ear from the middle ear, which oscillates upon receiving sound vibrations.

Pharynx

A muscular tube that connects the mouth and nasal passages to the esophagus and larynx, facilitating breathing and swallowing.