The freezing point of water is 0.00°C at 1 atmosphere. How many grams of ammonium iodide (145.0 g/mol), must be dissolved in 204.0 grams of water to reduce the freezing point by 0.450°C ? Refer to the table for the necessary boiling or freezing point constant. Formula | Kp (°C/m) Kf(°C/m) Solvent Water H20 0.512 1.86 Ethanol CH;CH,OH 1.22 1.99 Chloroform CHC13 3.67 Benzene CH6 2.53 5.12 Diethyl ether CH3CH2OCH,CH3 2.02 g ammonium iodide.

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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.