Use the problem below to answer the question:
1 answer:
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Mass of NaCl = 750 g
mass of water = 1000 kg
Kf = - 1.86 °C
moles of NaCl =
=
= 12.8 moles
molality of NaCl =
=
Δ Tf = Kf * m = -1.86 * 0.01282 = - 0.024 °C
mass of water = 1000 kg
Kf = - 1.86 °C
moles of NaCl =
=
molality of NaCl =
=
Δ Tf = Kf * m = -1.86 * 0.01282 = - 0.024 °C
H2O is covalent so A is false.
Water is in clouds so B is false.
Water is polar so C is false.
D is correct H2O has an imbalance of e- so it is polar.