Question
Before an electrocardiogram (ECG) is recorded for a cardiac patient, the ECG leads are usually coated with a moist paste containing sodium chloride. What property of an ionic substance such as NaCl is being made use of here?
Step 1
An ionic compound is a compound made up of ions which are held together by ionic bonds in a lattice structure. The most common example of an ionic compound is Sodium Chloride (NaCl), which is used in the ECG leads. Show more…
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