Electrolyte Solutions: Milliequivalents TABLE 12.3 VALUES FOR SOME IMPORTANT IONS ATOMIC OR ION FORMULA VALENCE FORMULA WEIGHT EQUIVALENT WEIGHT Al* NH Aluminum 3. 27 6. Ammonium 18 18 Calcium Ca 40 20 Fe*** Fe* Li Ferric 3 56 18.7 Ferrous 2 56 28 Lithium 1 7 Magnesium Potassium Sodium Mg 24 12 K* 1 39 39 23 Na 1 23 Acetate 1 59 59 Bicarbonate Carbonate Chloride HCO5 CO,- 61 61 2 60 30 1 35.5 35.5 Citrate Gluconate CHSO-- 189 63 1 195 195 Lactate CH;O5 H,PO, НРО SO- 1. 89 89 Phosphate 1 97 97 96 48 Sulfate 96 48 Atomic or formula weight Valence Equivalent weight %3D mg mEq x Valence %3D Molecular Weight (MW) mEq x Molecular Weight (MW) mg = Valence mEg x Atomic, formula, or molecular weight mg ml mL Valence Worksheet: 1. What is the concentration, in milligrams per milliliter, of a solution containing 2 mEq of potassium chloride (KCI) per milliliter?

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Electrolyte Solutions: Milliequivalents
TABLE 12.3 VALUES FOR SOME IMPORTANT IONS
ATOMIC OR
ION
FORMULA
VALENCE
FORMULA WEIGHT
EQUIVALENT WEIGHT
Aluminum
Al*
3.
27
9
Ammonium
NH
Ca
1
18
18
Calcium
2.
40
20
Ferric
Fe***
3
56
18.7
Ferrous
Fe*
56
28
Lithium
Magnesium
Potassium
Li
1
7
Mg
24
12
K*
1
39
39
Sodium
Na*
1
23
23
Acetate
1
59
59
Bicarbonate
Carbonate
HCO5
CO,-
1
61
61
60
30
Chloride
1
35.5
35.5
Citrate
189
63
Gluconate
CH,07
CH;O5
H,PO,
НРО
So,-
1
195
195
Lactate
1
89
89
Phosphate
1
97
97
96
48
Sulfate
96
48
Atomic or formula weight
Valence
Equivalent weight =
%3D
mg
mEq =
x Valence
%3D
Molecular Weight (MW)
mEq x Molecular Weight (MW)
mg =
Valence
mEq
mg
ml
x Atomic, formula, or molecular weight
%3D
mL
Valence
Worksheet:
1. What is the concentration, in milligrams per milliliter, of a solution containing 2 mEq of potassium
chloride (KCI) per milliliter?
2. Calculate the amount of magnesium sulfate heptahydrate (MW = 247) in grams required to compound
200 capsules each containing 10 mEq magnesium sulfate. Round the answer to the nearest whole
number.
3. How many mEq of sodium are contained in a liter of a normal saline? Round to the nearest hundredth.
4. How many milliliters of a 10% magnesium chloride solution contains 30 mEq of magnesium ion?
Molecular weight of magnesium is 95.2. Round your answer to the nearest tenth.
Transcribed Image Text:Electrolyte Solutions: Milliequivalents TABLE 12.3 VALUES FOR SOME IMPORTANT IONS ATOMIC OR ION FORMULA VALENCE FORMULA WEIGHT EQUIVALENT WEIGHT Aluminum Al* 3. 27 9 Ammonium NH Ca 1 18 18 Calcium 2. 40 20 Ferric Fe*** 3 56 18.7 Ferrous Fe* 56 28 Lithium Magnesium Potassium Li 1 7 Mg 24 12 K* 1 39 39 Sodium Na* 1 23 23 Acetate 1 59 59 Bicarbonate Carbonate HCO5 CO,- 1 61 61 60 30 Chloride 1 35.5 35.5 Citrate 189 63 Gluconate CH,07 CH;O5 H,PO, НРО So,- 1 195 195 Lactate 1 89 89 Phosphate 1 97 97 96 48 Sulfate 96 48 Atomic or formula weight Valence Equivalent weight = %3D mg mEq = x Valence %3D Molecular Weight (MW) mEq x Molecular Weight (MW) mg = Valence mEq mg ml x Atomic, formula, or molecular weight %3D mL Valence Worksheet: 1. What is the concentration, in milligrams per milliliter, of a solution containing 2 mEq of potassium chloride (KCI) per milliliter? 2. Calculate the amount of magnesium sulfate heptahydrate (MW = 247) in grams required to compound 200 capsules each containing 10 mEq magnesium sulfate. Round the answer to the nearest whole number. 3. How many mEq of sodium are contained in a liter of a normal saline? Round to the nearest hundredth. 4. How many milliliters of a 10% magnesium chloride solution contains 30 mEq of magnesium ion? Molecular weight of magnesium is 95.2. Round your answer to the nearest tenth.
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