Examlex
Calculate the mole ratio of CH3COONa to CH3COOH required to make a buffer with pH of 4.83. Ka of CH3COOH is 1.8 × 10-5.
Audiometer
An electronic device used to evaluate hearing loss by measuring a person’s ability to hear various sound frequencies.
Otoscope
A medical device used for examining the ear's interior to diagnose ear conditions and infections.
Myringoscope
An instrument used for examining the eardrum or tympanic membrane.
Otosclerosis
A condition in which abnormal bone growth around the stapes bone leads to hearing loss.
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