A vial contains 1 gram of medication powder. The reconstitution instructions state to add 9.6 mL of sterile water to yield 10 mL of solution. What is the final concentration in mg/mL?

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Multiple choice — select the best answer

A104 mg/mL
B150 mg/mL
C100 mg/mL
D96 mg/mL

✓ Correct answer: C. 100 mg/mL Convert 1 gram to milligrams: 1 g = 1000 mg. The final volume is 10 mL. Concentration = 1000 mg divided by 10 mL = 100 mg/mL.

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A vial contains 1 gram of medication powder. The reconstitution instructions state to add 9.6 mL of sterile water to yield 10 mL of solution. What is the final concentration in mg/mL?

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