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You are watching: How many mg in a meq of potassium

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Use this calculator if your drug or compound is not found in the over calculator:

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mg, mEq and also mmol counter Calculator
go into number to convert from: --Select-- mg mEq mmol
transform to: mg mEq mmol
enter atomic or molecular weight: g/mol
Enter variety of valence:

Example 1:

mg come mEq: convert 750 mg of KCl (MW = 74.5 mg/mmol, valence = 1) to mEq = 10.07 mEq

Example 2:

mg to mEq: transform 30 mg of calcium (Ca++) (atomic load = 40.08 mg/mmol, valence = 2) to mEq = 1.5 mEq

Example 3:

mg to mmol: convert 100 mg that phosphorus (P) (atomic weight = 31 mg/mmol) to mmol = 3.23 mmol

Valences and also Atomic Weights because that Some vital Ions

Cations Formula Valence Atomic Weight, mg/mmol
Aluminum Al+++ 3 26.982
Ammonium NH4+ 1 18.039
Calcium Ca++ 2 40.078
Ferric Fe+++ 3 55.845
Ferrous Fe++ 2 55.845
Lithium Li+ 1 6.94
Magnesium Mg++ 2 24.305
Phosphorus P 3, 5 30.974
Potassium K+ 1 39.098
Sodium Na+ 1 22.990
Sulfur S -2, +2, +4, +6 32.06

Anions Formula Valence Atomic Weight, mg/mmol
Acetate CH3COO- 1 59.044
Bicarbonate HCO3- 1 61.016
Carbonate CO3-- 2 60.008
Chloride Cl- 1 35.45
Citrate C6H5O7--- 3 189.099
Gluconate C6H11O7- 1 195.147
Lactate C3H5O3- 1 89.07
Oxygen O-- 2 15.999
Phosphate H2PO4- 1 96.986
Sulfate SO4-- 2 96.056

Valences and Molecular Weights for common Drugs

Drugs Formula molecule Weight, mg/mmol Valence Quantity/Unit
Calcium chloride (10%) injection solution CaCl2•2H2O (dihydrate) 147.008 2 (Ca++)
1 mL of equipment = 100 mg of cacium chloride, dihydrate = 27.26 mg Ca++ = 1.4 mEq of Ca++ = 1.4 mEq of Cl-
Calcium gluconate (10%) injection solution C12H22CaO14 430.38 2 (Ca++)
1 mL of solution = 94 mg of calcium gluconate + 4.5 mg of calcium saccharate (tetrahydrate) = 9.3 mg of elemental Ca++ = 0.465 mEq Ca++
Magnesium chloride dental tablets MgCl2(H2O)7 203.31 2 (Mg++) 1 g magnesium chloride = 119.55 mg of element Mg++ = 9.84 mEq Mg++ = 4.92 mmol Mg++
Magnesium chloride injection MgCl2•6H2O 203.295 2 (Mg++)

1 mL of solution = 200 mg the magnesium chloride hexahydrate = 9 mg of salt chloride = 1.97 mEq of Mg++ = 1.97 mEq Cl--


Magnesium citrate dental solution Mg3(C6H5O7)2 451.1144 2 (Mg++) 30 mL of equipment = 1.745 g that magnesium citrate = 282.05 mg element magnesium = 23.21 mEq Mg++ = 11.61 mmol Mg++ 1 g = 161.633 mg of elemental Mg++
Magnesium oxide dental tablets MgO 40.304 2 (Mg++) 400 mg = 241.216 mg that elemental Mg++ = 19.85 mEq Mg++ = 19.85 mEq O--
Magnesium sulfate injection (50%) solution MgSO4•7H2O (heptahydrate) 246.47 (heptahydrate) 120.36 (anhydrous, MgSO4) 24.305 Mg++ 2 (Mg++)
1 mL of systems = 500 mg of magnesium sulfate heptahydrate systems = 244.17 mg magnesium anhydrous, MgSO4 = 49.31 mg Mg++ = 4.06 mEq Mg++ = 2.03 mmol magnesium sulfate anhydrous, MgSO4 = 4.06 mOsmol
Potassium acetate injection solution CH3COOK 98.142 1 (K+)
1 mL of solution = 196.5 mg of potassium acetate = 2 mEq of potassium K+ = 2 mEq of acetate (CH3COO-)
Potassium bicarbonate (K-LYTE, EFFER-K) oral tablets KHCO3 100 1 (K+)
1 tablet = 2.4 g potassium bicarbonate = 25 mEq of potassium
Potassium chloride injection, concentrate KCl 74.548 1 (K+) 1 mL = 149 mg of KCl = 2 mEq of K+ = 4 mOsmol
Potassium chloride (K-DUR) dental tablets KCl 74.548 1 (K+)
750 mg the KCl tablet computer = 393.35 mg of element K+ = 10 mEq of K+
Potassium citrate (UROCIT-K) dental tablets K3C6H5O7•H2O 324.408 1 (K+)
1 tablet = 540 mg = 195.24 mg of element K+ = 5 mEq of K+
Potassium phosphates injection solution KH2PO4 (monobasic) K2HPO4 (dibasic) 136.086 (monobasic) (contains 31 mg p + 39.1 mg K+) 174.2 (dibasic) (contains 31 mg p + 78.2 mg K+) 1 (K+) 3 (PO4---)
1 mL of equipment = 224 mg of potassium phosphate monobasic anhydrous + 236 mg of potassium phosphate dibasic anhydrous = 170.3 mg (4.4 mEq) of K+ = 93 mg (3 mmol) of phosphorus P
Potassium phosphate and also sodium phosphate (PHOS-NaK) oral powder K2HPO4 (dibasic potassium phosphate, MW = 174.18) KH2PO4 (monobasic potassium phosphate, MW = 136.086) Na2HPO4 (dibasic salt phosphate MW = 141.96) NaH2PO4 (monobasic salt phosphate, MW = 119.98) 174.18 (K2HPO4) 136.086 (KH2PO4) 141.96 (Na2HPO4) 119.98 (NaH2PO4) 1 (K+)
1 packet = 1.5 g = 280 mg (7.1 mEq) K+ = 160 mg (6.9 mEq) Na+ = 250 mg (8 mmol) phosphorus p (1 mmol p = 31 mg)
Sodium acetate injection solution C2H3NaO2 82.03 1 (Na+)
1 mL = 164 mg sodium acetate anhydrous = 2 mEq sodium Na+ = 2 mEq acetate (CH3COO-)
Sodium bicarbonate (8.4%) injection solution NaHCO3 84.0066 1 (Na+)
1 mL = 84 mg salt bicarbonate (NaHCO3) = 1 mEq Na+ = 1 mEq HCO3- = 2 mOsmol
Sodium chloride oral tablets NaCl 58.44 1 (Na+)
1 tablet = 1000 mg = 393 mg (17.09 mEq) Na+ + 607 mg Cl-
Sodium chloride (23.4%) injection, concentrate NaCl 58.44 1 (Na+)
1 mL = 234 mg NaCl = 4 mEq Na+ = 4 mEq Cl- = 8.008 mOsmol
Sodium phosphates injection solution NaH2PO4•H2O (monobasic salt phosphate) Na2HPO4 (dibasic sodium phosphate) 137.995 (NaH2PO4•H2O) 141.96 (Na2HPO4) 1 (Na+)


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1 mL = 276 mg the monobasic sodium phosphate, monohydrate 142 mg of dibasic sodium phosphate, anhydrous = 92 mg Na+ (4 mEq) = 93 mg (3 mM) of phosphorus ns (1 mmol of p = 31 mg) = 7 mOsmol

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