In beaker B, an ice cube of pure H 2 O is to be placed in pure liquid D 2 O.
(an ice cube of pure H 2 O; is; to be placed in pure liquid D; L:In beaker B) (an ice cube of pure H 2 O; to be placed; in pure liquid D)
an ice cube of pure H 2 O an ice cube of pure H 2 O
is to be placed
to be placed in pure liquid D L:In beaker B
in pure liquid D