The freezing point of water H20 is 0.00°C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in water is antifreeze (ethylene glycol). How many grams of antifreeze, CH,OHCH2OH (62.10 g/mol), must be dissolved in 247.0 grams of water to reduce the freezing point by 0.300°C ? Refer to the table for the necessary boiling or freezing point constant. KĘ (°C/m) (°C/m) Solvent Formula Water H2O 0.512 1.86 Ethanol CH;CH,OH 1.22 1.99 Chloroform CHCI3 3.67 Benzene CgH6 2.53 5.12 Diethyl ether CH3CH,OCH,CH; 2.02 g antifreeze.

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.