Practice Quiz

PTCE Pharmacy Technician

Category - Process & Dispense

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How many mL of water should be added to 300 mL of syrup containing 85%(w/v) of sucrose in order to make a syrup containing 75% (w/v) of sucrose?
  1. 50 mL
  2. 40 mL
  3. 30 mL
  4. 20 mL
Explanation
Answer: B − 40mL of water must be added to 300 mL of 85% (w/v)of sucrose in order to make a 75% (w/v) solution of sucrose.
Calculations:
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total volume required.
340mL total volume -300mL of 85% sucrose solution = 40 mL water must be added.
Check:

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