Solutions

Solutions

Solutions

• Soluble- capable of being dissolved

• Solution- homogenous mixture of two or more substances uniformly dispersed throughout a single phase. .1 nm-1 nm, does not separate on standing or by filtration

• solvent- dissolving medium

• solute- substance dissolved

Multiple Choice

Which of these is a solution?

• Sugar water

• muddy water

• milk

• cheese

Supension

• Particles in a solvent are so large that they settle out unless the mixture is constantly stirred or agitated

• particles are 1000 nm and bigger

• separates by flitration or by settling

Multiple Choice

Is a suspension mixture heterogenous or homogenous?

• homogenous

• heterogenous

Colloid

• Particles intermediate in size between those in solutions and in suspensions form colloidal dispersions

• heterogenous

• particles 1 nm- 1000 nm

• do not separate on standing or through filtration

Multiple Choice

Whihc of these is a colloid?

• Muddy water

• milk

• sugar water

• pure gold

Electrolytes

• Electrolyte- substance that dissolves in water to give s solution that conducts electric current

• Nonelectrolyetp substance that dissolves in water and does not conduct electricity