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What weight of NaCl in grams is needed to make 277 ml of a 0.25 M solution.

The formula weight of NaCl is 58.44.

Answer to 3 decimal places. Do not enter units in your answer.

What is the molarity, in M, of a 1.31% w/v KCl solution.

The formula weight of KCl is 74.55.

Answer to 3 decimal places. Do not enter units in your answer.

Image failed to load: Structure of the ear

In the figure of the structure of the ear, the ear drum is indicated by the letter

The peripheral regions of the retina contain a higher density of rods than cones

In the discrimination and localization tests you were asked NOT to press down hard so as to not activate Pacinian corpuscles.

A reading of 0 deciBel Hearing Level on the audiometer means the tone is

Turned off at that frequency

At a sound pressure level that is the highest level humans can hear at that frequency

Indicating that there is a hearing loss at that frequency

At a sound pressure level that is the mean normal hearing threshold for humans for that frequency

100%

At a sound pressure level that is 0 deciBels Sound Pressure Level for humans for that frequency

The cutaneous receptors that allow us to detect flutter and vibration are the free nerve endings.

Image failed to load: Structure of the ear

In the figure of the structure of the ear, the malleus is indicated by the letter

100%

In prolonged psychophysics tests the subject's attention may wander. For this reason you were asked to blindfold the subject so that they couldn't keep track of the number of trials.