Solutions and Mixtures
AP Chemistry · Flashcards · Application
AP CHEMISTRY · FLASHCARDS
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QUESTION
Calculate mass percent if 5g solute is in 95g solution.
QUESTION
Calculate molality of a solution with 3 moles solute in 2 kg solvent.
QUESTION
Calculate the freezing point depression if
K
f
=
1.86
K_f = 1.86
K
f
=
1.86
,
m
=
1
m = 1
m
=
1
, and
i
=
2
i = 2
i
=
2
.
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ANSWER
△
T
f
=
3.72
\triangle T_f = 3.72
△
T
f
=
3.72
°C. Using
△
T
f
=
i
×
K
f
×
m
=
2
×
1.86
×
1
\triangle T_f = i \times K_f \times m = 2 \times 1.86 \times 1
△
T
f
=
i
×
K
f
×
m
=
2
×
1.86
×
1
.
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