What is the concentration of Na+ in a 0.9% NaCl solution?
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3 min read
The human body's extracellular fluid has a very specific osmotic balance that is mimicked by a 0.9% sodium chloride (NaCl) solution. This common medical solution, known as normal saline, contains a precise concentration of sodium ions ($Na^+$) that is crucial for a variety of clinical and laboratory applications.
