تم الحل ✓
categoryالصيدلة والأدوية
schoolبكالوريوس
event_available2026-07-13
السؤال
Transcribed Image Text:
A pharmacist must calculate the shelf life for an antibiotic. The antibiotic is stored as a
solid and a fresh solution must be prepared for the patient. The antibiotic is unstable in
solution and decomposes according to the following data:
Time (days) [Antibiotic] (mol/L)
0
1.24 x 10-2
10.
0.92 x 10-2
20.
0.68 x 10-2
30.
0.50 x 10-2
40.
0.37 x 10-2
This is a first order process.
Question 1
Calculate the half-life for the antibiotic. The units should be in days and should be
calculated to three significant figures.
Submit Answer Tries 0/99
Question 2
If you start with a 1.0 M solution, how long would it take for 46 % of the antibiotic to
decompose?
The answer should be in days and should be calculated to three significant figures.
Submit Answer Tries 0/99
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