In this video, I go over three calculations related to a phosphorus replacement using potassium phosphate as the available solution. Therefore: Infuse 3% saline at 82 ml/hr for 15 hours. The science world is filled with different ways to express the vital concept of concentration, which is the amount of something present per unit volume. "Hypocalcemia is defined as a serum calcium concentration <8.5 mg/dL (or ionized calcium <4.2 mg/dL). 1 mEq/L is 1 times Smaller than 1 mol/m³. Once the amount of drug is converted to its metric equivalent, the concentration can be converted to any other unit of concentration, such as percent, ratio strength, or weight per unit volume. Begin: 0 5 10 15 20 30 40 50 60 70 80 90 100. = 2 cups = 473.2 ml = 32 level tablespoons = 0.125 gal = 0.5 qt 1 cup = 8 fl. How many mEq of potassium are there in 750 mL of solution that has a K+ concentration of 58.65 mg/L? ), A solution contains 30 mg of NaCl (table salt) per 400 mL of solution. It indicates the chemical activity, or combining power, of an element relative to the activity of 1 mg of hydrogen. Of note… 1 mEq/L value equivalent in mmol/L = 1. Step 3: 1 mEq KCl = 1/1000 x 74.5 g = 0.0745 g = 74.5 mg Step 4: 4 mEq KCl = 74.5mg x 4 = 298 mg/ml OR using the equation listed before: mg/ml = mEq/ml * atomic, molecular or formula weight valence = ( ) 298mg/ml 1 4 74.5 = × Thus as before, 1 Eq equals 1000 mEq , or one thousandth of a gram equivalent. 8.4% concentration supplies 84 mg/mL, which also consists 1 mEq/mL for each sodium and bicarbonate. potassium chloride 20 mEq/15 mL oral liquid. -If serum potassium is 2.5 mEq/L or higher, rate should not exceed 10 mEq/hour, and manufacturers recommend that concentration not exceed 40 mEq/L Maximum daily dose: 200 mEq -If treatment is urgent (serum potassium less than 2 mEq/L and electrocardiographic changes and/or muscle paralysis), infuse cautiously at up to 40 mEq/hour with continuous cardiac monitoring MAGNESIUM CONVERSIONS As per Patient Care, Oct. 15, 1990. The patient is to take 40 mEq of potassium in the form of potassium chloride solution. It is important to calculate the meq of the analyzed samples for the separation method because the best selectivity of resin can be ... 2015) had a capacity of 1.7meq/mL. Meq/milliliter ↔ Eq/milliliter Conversion. This relates to the fact that chemicals react with each other not on the basis of mass but on the basis of the ratio of individual "pieces," regardless of size. The molecular weight is 147. ] Oral solutions are available in two concentrations: 20 mEq/15 mL (1.33 mEq/mL) and 40 mEq/15 mL (2.67 mEq/mL); use extra precaution; verify product formulation for dosage calculation. The photos shown are samples only Not all photos of the drug may be displayed. MW = 147, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Google+ (Opens in new window), OFTEN USED PHARMACY AND MEDICAL ABBREVIATIONS. Formerly with ScienceBlogs.com and the editor of "Run Strong," he has written for Runner's World, Men's Fitness, Competitor, and a variety of other publications. Note: The milliequivalent (mEq) is the unit of measure often used for electrolytes. 16 mEq/mL = Regarding this, how do you convert mg to mEq L? Meq to ml. How many mEq of potassium are in mmol? Each mL of this injection contains 3 mEq of K+ and CL- equivalent to 224 mg of potassium chloride and has an osmolarity of 6000 mOsmol/L (calc). = 0.002 pts Grams of salt per 24 hours Milliequivalents (mEq) of sodium per 24 hours Amount of 5% home- Generic name: One gram of salt = 17 mEq of sodium . For example, if the molecular weight was given as 180 for a divalent electrolyte, the value of 180 mg/2 would be the conversion factor. 3 = 0.034 fl.oz. A mole consists of 6.02 × 1023 irreducible "pieces" (atoms or molecules) of a substance. [Note: This equation is the shortcut of the following: Then, this last equation is converted to milliequivalents (mEq) by dividing both sides by 1000, which yields the equation above. = ½ pt. Step: 1 mEq/L is 1000 times Smaller than 1 mol/L. MW = 75, 2. Thus, 1 mEq is represented by 1 mg of hydrogen (1 mole) or 23 mg of Na+, 39 mg of K+, etc. How many mol/L is 1 mEq/L? For example, when the given number of milligrams is 15, then the conversion of milligrams to milliLitres is 15 x 0.001 is 0.015 mL. 8.4% concentration = 50 mEq in 50 mL. close popup. 1 mEq/L is equal to 1 mol/m³. Answers.com WikiAnswers ® Categories Science Units of Measure Volume How many mEq in milliliter? Doses of 40 mEq to 100 mEq per day or more are used for the treatment of potassium depletion. In an example of a simple chemical reaction, one atom of potassium (K) can react with one atom of chlorine (Cl) to form a molecule of potassium chloride (KCl) with nothing left over. For example, Healthline notes that 75 milligrams of potassium chloride salt is equal to 1 milliequivalent of potassium, and 108 milligrams of potassium citrate is equal to 1 milliequivalent of potassium as well. Calculate the concentration of the KCl in the NS solution to give you the volume of fluid which contains 10 mEq of K+. The equation to get mEq is therefore [(30 mg)(2)]/(58.44 mg/mmol) = 1.027 mEq. Convert Bicarbonate (HCO3-) level to µmol/L, mmol/L, mg/L, mg/dL, mg/100mL, mg%, µg/mL, mEq/L. As a shortcut, then, the equation can be used remembering that in this instance, the unit of milligram is affixed to the molecular weight.] Clinical laboratory units online conversion from conventional or traditional units to Si units. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. Then, this last equation is converted to milliequivalents (mEq) by dividing both sides by 1000, which yields the equation above. 5mg x 4 = 298 mg/ml OR using the equation listed before: mg/ml = mEq/ml * atomic, molecular or formula weight valence = ( ) 298mg/ml 1 4 74. Kevin Beck holds a bachelor's degree in physics with minors in math and chemistry from the University of Vermont. 1 gram MgSO4 = 98 mg elemental Mg. 1 10-ml ampule 50% MgSO4 = 5 grams Mg = 40.6 mEq Mg. 1 gram Mg = 8.12 mEq Mg 1 ml of KCl = 2 mmol = 2 mEq = 150mg Extract the link between mmol/mEq and mg 150mg of KCl = 2 mmol 600mg will contain (600 * 2) divided by 150 Formula: mg= mEq*atomic weight / valence Minerals: Atomic Weight: Valence: Calcium : 40: … This means that KCl has a valence of 2. Online conversion calculator for many types of measurement units in laboratory and medicine Calcium (Ca), Total Calcium, Ca, Ionized Calcium, Ca++, Ca2+ But this is not because potassium atoms and chlorine atoms have the same mass. Each Potassium Chloride Extended Release Tablet USP, 20 mEq provides 20 mEq of potassium chloride. Express the solution in terms of milliequivalents per liter (mEq/L). The equivalent unit was introduced to account for the fact that when solutes dissolve in solvent to create a solution, the number of particles dispersed depends on the valence of the solute. It indicates the chemical activity, or combining power, of an element relative to the activity of 1 mg of hydrogen. Equivalents per liter is therefore a unit of concentration, but the most commonly seen unit throughout chemistry is the mEq/L. Brazosport College: Moles and Avogadro's Number, LibreTexts Biology: Concept of Osmolality and Milliequivalent, First, you need the total mass of potassium in this solution, which is obtained by multiplying the concentration in mg/L by the volume of solution, This time, the solute has a valence of 2, as NaCl separates into Na. One milliequivalent of the parent compound will generate one milliequivalent of the cation (positively charged) electrolyte and one milliequivalent of the anion (negatively charged) electrolyte. 1. Medication name. MILLIEQUIVALENT CALCULATIONS. 1 mEq/mL = 0.001 Eq/mL; 1 Eq/mL = 1000 mEq/mL. If you have questions, ask your pharmacist. Each potassium chloride extended-release tablet, USP 20 mEq provides 20 mEq of potassium. Note: The milliequivalent (mEq) is the unit of measure often used for electrolytes. 120 mL sterile water (50 mg/mL salt, 0.856 mEq/mL sodium) Based on a 23.4% pharmacy-supplied sodium chloride solution ( 234 mg/mL salt, 4.0 mEq/mL sodium). One milliequivalent (mEq) is equal to 1 mM divided by its valence. Is mEq l the same as mg dL? 1 gram= 4.65 meq (93 mg) 10 ml. pH (4.0-8.0) may have been adjusted with hydrochloric acid and if necessary, potassium hydroxide. Calculate the amount of electrolyte in each problem. = 0.5 fl.oz. The volume in question is often a solution, which involves a substance (called a solute in this context) dissolved in a liquid (called a solvent). One mEq is equal to 111,000 of the gram-equivalent weight (GEW) of a solute. Calcium (Ca) conversion to mmol/L, µmol/L, mg/dL, mg/100mL, mg%, mg/L, µg/mL, mEq/L. Thus, 1 mEq is represented by 1 mg of hydrogen (1 mole) or 23 mg of Na+, 39 mg of K+, etc. This "amount" often has units of mass but can include virtually anything that can be quantified: gas particles, photons and more. For example, carbon has 12.11 g. This means that one mole (1 mol) of C atoms has a mass of 12.011 g. Because atoms become more massive as you move from lower to higher atomic numbers in the periodic table, molar masses vary enormously, with that of uranium being over 200 times that of hydrogen. The concept of moles and equivalents, and thus millimoles and milliequivalents, underlies this relationship, and it is of vital importance in medicine and clinical pharmacology. oz. Instead, it is because K and Cl react in a 1-to-1 molar ratio. Dosage should be divided if more than 20 mEq per day is given such that no more than 20 mEq is given in a single dose. This video demonstrates key steps in performing milliequivalents calculations and provides pertinent examples. 1 mEq/L is equal to 0.001 mol/L. Always verify the infusion rate and the length … This leads to the definition of an equivalent, or specifically a milliequivalent: This equation assumes that both mass and MW, or molecular weight (the same as molar mass but applied to molecules instead of single atoms), are given in milligrams. Each mL of potassium phosphate contains 4.4 milliequivalents ( mEq) of potassium and 3 millimoles ( mmol ) of phosphate. More about Kevin and links to his professional work can be found at www.kemibe.com. To convert milligrams to milliequivalents use the formula: mEq = (mg x valence) / atomic or molecular weight. Symptoms of hypocalcemia usually occur … When solid dissolves in a solvent to create a solution, the concentration of the solution can be expressed in a variety of ways. The weight is not converted from gram to milligram. Of note is that the molecular or atomic weights are usually assigned the unit of gram; however, for milliequivalents we assign the unit of milligram. How many milligrams of potassium does this represent? = 0.25 gal = 946.4 ml 1 pint = 16 fl. Similarly, CaCl2 separates into three ions per molecule of solute (1 Ca+ and 2 Cl-) and thus has a valence of 3. Since 1 Milligram is equal to 0.001 milliliters, multiply the entered milligram with 0.001 to get the result. 15 mEq/mL = 0.015 Eq/mL. One ampoule of 50 ml contains 50 mEq sodium and 50 mEq bicarbonate to a total of 100 mEq/50 mL and corresponds to 2000 mosm per liter. One thousand milliequivalents equals one equivalent. Loading... View more photos. SI units Conversion Calculator. Conversion of mg to ml is very simple. How much calcium chloride is required to make 500 mL of solution such that the final concentration is 4 mEq/mL? Infusion time= [630 meq] / [42 meq/hr] = 15 hrs. As a shortcut, then, the equation can be used remembering that in this instance, the unit of milligram is affixed to the molecular weight.]. Every element's molar mass, or the mass of a single mole in grams is given in the periodic table of elements (see the Resources for an online version). Flow rate = 10 mEq/hr Drip factor = 60 gtt/ml TIP: This is a 2-part problem. Also, determining the amount, in milliequivalents, of the parent compound (eg, potassium chloride), automatically determines the amount, in milliequivalents, of the individual electrolytes (ie, for potassium ion and chloride ion). (Note: The molar mass of potassium, given in the periodic table, is 39.1 g/mol. Concentration eq unit conversion between Eq/liter and mEq/milliliter, mEq/milliliter to Eq/liter conversion in batch, Eq/L mEq/mL conversion chart The unit is used to describe how different salts can provide equivalent amounts of a particular ion, such as potassium. 1 milliliter (ml) = 1 cm. 1. = 16 tablespoons = 236.6 ml 1 tablespoon = 14.8 ml = 3 teaspoons (tsp.) Since there are 400 mL = 0.4 L, the concentration in mEq/L is therefore 1.027/0.4 = 2.567 mEq/L. When one prepares, for example, a solution of KCI contain- ing 40 mEq of K+ /30 ml, the result- ing solution also will contain 40 mEq of CI- /30 ml. The first step in determining the number of milliequivalents of a compound is to identify the formula of the compound. For example, when one molecule of KCl dissolves, it leaves two ions, or charged particles − a K+ ion and a Cl- ion. oz. (Note: the molecular weight of NaCl is 58.44 g/mol.). Your medication may look different.