# What is milliequivalent in chemistry?

## What is milliequivalent in chemistry?

Milliequivalents (mEq) A milliequivalent is equal to the number of univalent counter ions (H+ or OH) which will be needed to react with one molecule of the substance. When an atom has a valence of one ( e.g. Na+, K+, CI, etc.) a mEq of that ion is equal to the atomic weight of the atom in milligrams.

What is milliequivalent and when is used?

(mEq) [mil″e-e-kwiv´ah-lent] one thousandth (10−3) of a chemical equivalent (see equivalent weight). Concentrations of electrolytes are often expressed as milliequivalents per liter, which is an expression of the chemical combining power of the electrolyte in a fluid.

What is the formula of milliequivalent?

Express the solution in terms of milliequivalents per liter (mEq/L). (Note: the molecular weight of NaCl is 58.44 g/mol.) This time, the solute has a valence of 2, as NaCl separates into Na+ and Cl-. The equation to get mEq is therefore [(30 mg)(2)]/(58.44 mg/mmol) = 1.027 mEq.

### What do Milliequivalents mEq measure?

A milliequivalent is a measure of the quantity of ions in an electrolyte fluid. One milliequivalent is one thousandth of one mole of charges and is represented by the symbol mEq.

How do you convert millimoles to Milliequivalents?

Thus, for ions that have a charge of one, one milliequivalent is equal to one millimole. For ions that have a charge of two (like calcium), one milliequivalent is equal to 0.5 millimoles.

What is the difference between millimoles and milliequivalents?

Meq vs Mmol The difference between Meq and Mmol is that the Meq is a measuring unit which is denoted as it equals to the one-thousandth unit of a chemical in the subject of physics, and on the other hand, the Mmol is a measuring unit which is denoted to be equal to the one-thousandth unit of a gram molecule in science.

## How do you convert Milliequivalents to millimoles?

How do you convert mEq to ML?

Cross Multiply: 40 mEq * Xml = 10 mEq * 200 ml. Now calculate the drip rate for the infusion….Medication Calculation.

1 kilogram (kg) 2.2 pounds (lb)
1 gram (g or gm) 1000 mg (milligrams)
1 milligram (mg) 1000 micrograms (mcg)
1 gram (gm) 1 ml (milliliter)
1 cc (cubic centimeter) 1 ml (milliliter)

Is mEq same as mmol?

“Meq” is a unit of measurement that is referred to as one-thousandth of an equivalent of a chemical. Meq is used to measure substances with electrolytes. “Mmol,” on the other hand, is a unit of measurement that is referred to as one-thousandth of a gram molecule.

### Is mEq same as mOsm?

The mEq/L is the ion concentration, in millimoles, multiplied by the number of electrical charges on the ion. Another unit of electrolyte concentration is the milliosmole (mOsm), which is the number of milliequivalents of solute per kilogram of solvent.

What does milliequivalent mean?

milliequivalent – one-thousandth of an equivalent. meq. atomic mass, atomic weight, relative atomic mass – (chemistry) the mass of an atom of a chemical element expressed in atomic mass units.

How do you calculate milliequivalents?

Divide the atomic mass by the number of valence ions Calculate the milliequivalents by dividing the atomic number by the number of valence ions.

## How much is a milliequivalent?

One milliequivalent (mEq) is equal to 1 mM divided by its valence. Thus as before, 1 Eq equals 1000 mEq, or one thousandth of a gram equivalent. The first step in determining the number of milliequivalents of a compound is to identify the formula of the compound. The next step is to separate the formula into atoms.

What is the medical abbreviation meaning milliequivalent?

medical Definition of milliequivalent. : one thousandth of an equivalent of a chemical element, radical, or compound -abbreviation mEq.