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Answered 2012-08-18 18:37:41
  1. i believe 10 meqs of potassium is equal to 390 mg's of potassium, therefore, one meq, is equal to 39 mg's potassium
  2. Not sure where you get your answer but according to 10meg is equal to 750 mg of potassium
  3. 20mEq of potassium chloride is 781.960 mg of elemental potassium [K], and 709.060 mg of elemental chlorine [Cl] (which is 1491.0 mg of potassium chloride [KCl]). Here's how to figure it:


mg = (mEq • atomic, molecular or formula weight) / valence

Atomic weight of potassium [K] is 39.0983

Atomic weight of chlorine [Cl] is 35.453

The molecular weight of potassium chloride [KCl] is sum of the atomic weights above: 74.551 (rounded)

The valence of potassium chloride is 1


(20mEq potassium chloride • 74.551) / 1 = 1491.0 mg potassium chloride

Which breaks down to 781.960 mg of elemental potassium [K], and 709.060 mg of elemental chlorine [Cl].


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The answer is 2.53 mEq.Here is my work:99mg Potassium x (1mmol/39.0983mg potassium) x (1mEq/1mmol) = 2.53 mEq* The 39.0983 comes from the atomic mass of Potassium which means that 39.0983 grams = 1 mol (which also means 39.0983 milligrams = 1 millimol (mmol). 1 mmol of potassium = 1 milliequivalent (mEq) because milliequivalents are just the number of mmols of charges (positive/negative), and since potassium has 1 positive charge 1 mmol = 1 mEq.This is the over-the-counter dose. Most prescriptions are for 20mEq doses but usually range from 8mEq to 40mEq.

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