Osmolarity Calculation Quiz
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- Question 1 of 10
1. Question
Calculate the osmolarity of a parenteral solution prepared by dissolving 3,000 mg of sodium chloride (MW=58.44) and 150 mg of potassium chloride (MW=74.5) in 500 mL of water. Round to the nearest hundredth. Do not include units.
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2. Question
How many milliosmoles are present in a 1 liter solution containing 40 mEq of sodium chloride? Round to the nearest the whole number. Do not include units.
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3. Question
Calculate the osmolarity of potassium acetate (MW = 98) in a parenteral solution if 19.6 g of potassium acetate is dissolved in 200 mL of the solution. Do not include units.
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4. Question
Calculate the amount of milliosmoles present in 25 mL of a 5% w/v potassium gluconate (C6H11KO7; MW = 234 g/mol) solution? Round to the nearest hundredth. Do not include units.
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5. Question
Calculate the osmolarity in milliosmoles per liter of a solution containing 0.5 mEq/mL of sodium bicarbonate (MW=84). Round to the nearest whole number. Do not include units.
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6. Question
Calculate the amount of milliosmoles present in a solution if it contains 400 milligrams of magnesium ions per liter. Round to the nearest hundredth. Do not include units.
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7. Question
Calculate the osmolarity of 2 liters of dextrose 10% in water (MW=180). Round to the nearest tenth. Do not include units.
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8. Question
How many milliosmoles of sodium are present in 2 liters of 5% sodium chloride (MW=58.44) solution? Round to the nearest tenth. Do not include units.
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9. Question
10% Dextrose (MW=180) and 0.9% Sodium Chloride (MW=58.44) Injection, USP is supplied in a 500 mL VIAFLEX plastic container. What is the osmolarity of this solution? Round to the nearest hundredth. Do not include units.
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10. Question
How many grams of sodium bicarbonate (MW=84) is needed to compound a solution containing 2000 mOsm? Round to the nearest whole number. Do not include units.
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