The boiling point of water is 100.0°C at 1 atmosphere.
How many grams of potassium acetate (98.15 g/mol), must be dissolved in 215.0 grams of water to raise the boiling
point by 0.450 °C?
Refer to the table for the necessary boiling or freezing point constant.
Solvent
Kb(°C/m) K(°C/m)
Formula
Water
H₂O
Ethanol
CH3CH₂OH
1.22
Chloroform
CHCl3
3.67
Benzene
C6H6
2.53
Diethyl ether CH3 CH₂ OCH₂ CH3 2.02
Mass=
g potassium acetate
0.512
1.86
1.99
5.12