Calculation of Sodium Conversion Factor

Converting microequivalents per liter to mg for sodium?

To convert microequivalents per liter (μEq/L) to milligrams (mg) for sodium, you need to know the atomic weight and valence of sodium. Sodium (Na) has an atomic weight of approximately 22.99 g/mol and a valence of +1.

The conversion factor you can use is based on the definition of equivalence: 1 milliequivalent (1 mEq) is equal to the atomic weight in mg divided by the valence. Let’s calculate it step by step:

1. Find the atomic weight of sodium in mg:
Sodium atomic weight = 22.99 g/mol × (1000 mg/1 g) = 22,990 mg/mol

2. Divide the atomic weight by the valence to get the conversion factor:
Conversion factor = 22,990 mg/mol ÷ 1 = 22,990 mg/mEq

3. Finally, convert microequivalents per liter to milligrams:
Sodium (mg) = microequivalents per liter (μEq/L) × conversion factor (mg/mEq)

For example, if you have a sodium concentration of 100 μEq/L, the calculation will be:
Sodium (mg) = 100 μEq/L × 22,990 mg/mEq = 2,299 mg/L

So, 100 microequivalents per liter of sodium is equivalent to 2,299 milligrams per liter.

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