Solve the Problem. -How Much Pure Acid Should Be Mixed with 9 Gallons

question 62

Multiple Choice

Solve the problem.
-How much pure acid should be mixed with 9 gallons of a 50% acid solution in order to get an 80% acid solution?

• A)4.5 gal
• B)22.5 gal
• C)36 gal
• D)13.5 gal

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Definitions:

Retinal Disparity

A binocular cue for perceiving depth based on the slight difference in the visual images that each eye perceives because of their different angles.

Cochlear Implants

A medical device that partially restores hearing by bypassing damaged portions of the ear and directly stimulating the auditory nerve.

Phantom Limb Sensations

The perception of sensations, often painful, in a limb that has been amputated.

McGurk Effect

A perceptual phenomenon that demonstrates an interaction between hearing and vision in speech perception, where the visual perception of mouth movements alters the auditory perception of speech sounds.