Last Updated：2025/11/29
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When calculating the freezing point depression of a salt solution, you must account for the van 't Hoff factor to determine the actual particle concentration.
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When calculating the freezing point depression of a salt solution, you must account for the van 't Hoff factor to determine the actual particle concentration.
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Related words
van 't Hoff factor
Noun
A
measure
of
the
effect
of
a
solute
upon
colligative
properties
such
as
osmotic
pressure,
relative
lowering
in
vapour
pressure,
elevation
of
boiling
point,
and
depression
of
freezing
point.
It
is
the
ratio
between
the
actual
concentration
of
particles
produced
when
the
substance
is
dissolved,
and
the
concentration
of
a
substance
as
calculated
from
its
mass.
Japanese Meaning
溶媒に溶けた際、溶質が生成する粒子の実際の数と、溶質の質量から理論的に計算される粒子数との比率を示す係数であり、浸透圧、蒸気圧の低下、沸点上昇、凍結点降下などの凝集性質に及ぼす影響を定量的に評価するために用いられる。
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