9. Solutions
Equivalents
9. Solutions
Equivalents - Video Tutorials & Practice Problems
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Get a 10 bullets summary of the topicEquivalents are used to measure individual ion amount present in body fluids and intravenous solutions.
Equivalents (Eq)
1
concept
Equivalents Concept 1
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2
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Equivalents Example 1
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Equivalents Concept 2
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Equivalents Example 2
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5
Problem
ProblemCalculate mass (grams) needed for the following ion equivalent:1.5 mEq of Na+ ions.
A
3.4 g
B
15.0 g
C
0.065 g
D
0.034 g
6
Problem
ProblemThe concentration of Cl- ion in blood is approximately 105 mEq/L. How many milliliters of blood would be needed to obtain 1.4 g of Cl- ions?
A
110 mL
B
380 mL
C
75 mL
D
240 mL
7
Problem
ProblemAn intravenous saline solution contains 140 mEq/L of Na+. How many mEq of Na+ are present in 750 mL of the solution?
A
525 mEq
B
5.36 mEq
C
105 mEq
D
187 mEq
8
Problem
ProblemCalculate the normality (mEq/L) of potassium ions in a 500 mL Ringer's solution that is 2.0 x 10-3 M in potassium ions.
A
2.0 mEq/L
B
0.200 mEq/L
C
2.5 mEq/L
D
0.250 mEq/L
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PRACTICE PROBLEMS AND ACTIVITIES (12)
- Calculate the number of equivalents in each of the following: d. 3 moles of CO₃²⁻
- Calculate the number of equivalents in each of the following: d. 2 moles of Fe³⁺
- An intravenous saline solution contains 154 mEq/L each of Na⁺ and Cl⁻. How many moles each of Na⁺ and Cl⁻ are ...
- An intravenous solution contains 40. mEq/L of Cl⁻ and 15 mEq/L of HPO₄²⁻. If Na⁺ is the only cation in the sol...
- The typical concentration of Mg²⁺ in blood is 3 mEq/L. How many milligrams of Mg²⁺ are in 250 mL of blood?
- When Michelle's blood was tested, the chloride level was 0.45 g/dL. b. According to TABLE 9.6, is this value ...
- A typical oral rehydration solution (ORS) for infants contains 90 mEq/L Na⁺ , 20 mEq/L K⁺ , 110 mEq/L Cl⁻ and ...
- A typical oral rehydration solution (ORS) for infants contains 90 mEq/L Na⁺ , 20 mEq/L K⁺ , 110 mEq/L Cl⁻ and ...
- What does it mean when we say that the concentration of Ca²⁺ in blood is 3.0 mEq/L?
- Calculate the mass needed for each of the following ion equivalents: 0.25 Eq Ca²⁺
- The concentration of Cl⁻ ion in blood is approximately 100 mEq/L. How many milliliters of blood would be neede...
- Emergency treatment of cardiac arrest victims sometimes involves injection of a calcium chloride solution dire...