## 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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