###### Asked in Medication and Drugs

Medication and Drugs

# How many milligrams is 20 meq of potassium chloride?

121314

## Answer

###### Wiki User

###### 08/18/2012

- i believe 10 meqs of potassium is equal to 390 mg's of potassium, therefore, one meq, is equal to 39 mg's potassium
- Not sure where you get your answer but according to drugs.com 10meg is equal to 750 mg of potassium
**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

Thus:

(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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_________________
This dangerously wrong. Check drugs.com.
20 MEQ is about 1500 mg.
_________________
Numerical answers to this question are all nonsense. A number
would depend on the element, molecule or formula in question, and
none was specified. The correct answer to this question (as posed)
is:
mg = (mEq • atomic, molecular or formula weight) /
valence
The first answer above is correct for hydrogen; the second is
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