The function is .
(Take t = 0)
(Take t = 0.5)
(Simplify)
(Simplify)
(Take t = 1)
(Simplify)
(Simplify)
(Take t = 1.5)
(Simplify)
(Simplify)
\
(Take t = 2)
(Simplify)
(Simplify)
(Take t = 2.5)
(Simplify)
(Simplify)
(Take t = 3)
(Simplify)
(Simplify)
\
t \ | \
\
0 \ | \
\
0.5 \ | \
\
1 \ | \
\
1.5 \ | \
\
2 \ | \
\
2.5 \ | \
\
3 \ | \
\
C(t) \ | \
\
0 \ | \
\
0.0552 \ | \
\
0.1071 \ | \
\
0.1481 \ | \
\
0.1714 \ | \
\
0.1759 \ | \
\
1.6666 \ | \
Therefore the concentration greatest is 2.5