Water and diluted to
A drug with
Formula weight 270 has
a moley absorptivesty of 703 at 270 nm- one
tablet is dissolve in
of a litres. If the absorbence
of
this
solution in the uv region at 270nm
to
equal
0.687
in a 1-cm cell, how
grams of the drug are contained in the tablet
a rolume
many