The freezing point of water is 0.00°C at 1 atmosphere. How many grams of calcium iodide (293.9 g/mol), must be dissolved in 207.0 grams of water to reduce the freezing point by 0.400°C ? Refer to the table for the necessary boiling or freezing point constant. | Kp C/m) Kf(°C/m) Solvent Formula Water H20 0.512 1.86 Ethanol CH;CH,OH 1.22 1.99 Chloroform CHCI3 3.67 Benzene 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02 g calcium iodide.

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The freezing point of water is 0.00°C at 1 atmosphere.
How many grams of calcium iodide (293.9 g/mol), must be dissolved in 207.0 grams of water to reduce the freezing point by 0.400°C ?
Refer to the table for the necessary boiling or freezing point constant.
Solvent
Formula
Kp (°C/m) Kf(°C/m)
H20
CH;CH2OH
Water
0.512
1.86
Ethanol
1.22
1.99
Chloroform
CHCI3
3.67
Benzene
2.53
5.12
Diethyl ether CH3CH,OCH,CH3
2.02
g calcium iodide.
Transcribed Image Text:The freezing point of water is 0.00°C at 1 atmosphere. How many grams of calcium iodide (293.9 g/mol), must be dissolved in 207.0 grams of water to reduce the freezing point by 0.400°C ? Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Kp (°C/m) Kf(°C/m) H20 CH;CH2OH Water 0.512 1.86 Ethanol 1.22 1.99 Chloroform CHCI3 3.67 Benzene 2.53 5.12 Diethyl ether CH3CH,OCH,CH3 2.02 g calcium iodide.
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