WorksheetsMilliequivalents
Total questions: 8
Worksheet time: 4mins
David is preparing a solution that contains 10 mg/100mL of K+ ions. Express the concentration of this solution in terms of mEq/L. MW of K+= 39.
0.256 mEq/L
3.200 mEq/L
1.500 mEq/L
2.564 mEq/L
Zoe is preparing a stock electrolyte solution. She needs to find out the concentration in g/mL of the solution containing 4 mEq of calcium chloride (CaCl2·2H2O) per mL. MW of CaCl2·2H2O = 40(Ca++) + [2x35.5(Cl-)] + [2x18(H2O)] = 147.
0.147 g/mL
0.588 g/mL
0.735 g/mL
0.294 g/mL
A magnesium (Mg++) level in plasma is 2.5 mEq/L. Express this concentration in terms of mg/L.
MW Mg++ = 24.
How many mEq of Mg++ are represented in an 8 mL dose of an injectable solution containing 50% w/v MgSO4 heptahydrate? MW = 24(Mg++) + 96(SO42-) + [7x18] = 246.
8.12 mEq
24.50 mEq
12.75 mEq
16.26 mEq
32.52 mEq
An injectable solution contains 30% w/v of KCl. How many mEq of K+ are in a 5 mL dose? MW = 39(K+) + 35.5(Cl-) = 74.5.
20.13 mEq
40.26 mEq
60.39 mEq
80.52 mEq
A patient is to receive 2 mEq of sodium chloride per kilogram of body weight. If the person weighs 132 lb, how many milliliters of a 0.9% NaCl (MW = 59) solution should be administered?
393 mL
7877 mL
787 mL
1550 mL
How many milliequivalents of Na+ would be contained in a 30-ml dose of the following solution?
Disodium hydrogen phosphate 55 g
Purified water up to 100 ml
MW of disodium hydrogen phosphate (Na2HPO4 . 7H20) is 268.
100
150
123
200
What is the percent concentration of a solution containing 8 mEq of magnesium sulfate
(MgSO4.7H2O, MW 247) per liter?
1.096%
0.150%
0.099%
0.110%
