1.2 Solubility in Water Vocab

solute

solid that dissolves in a solvent

solution

mixture of a solute dissolved in a solvent

solubility

the ability of a solute to dissolve within a solvent such as water

dissolution

the process of being dissolved

salinity

a measure of the quantity of dissolved solids in ocean, represented by parts per thousand (ppt) or 0/00

precipitation

water that falls from the atmosphere to the Earth's surface as rain, sleet, snow, or hail.

run-off

the flow of water from land caused by precipitation

evaporation

a change in state from liquid to gas below the boiling point of a substance.

hypersaline

when a body of water has salinity level greater than 40 0/00 (parts per thousand)

halocline

a layer of water below the mixed surface layer where a rapid change in salinity can be measured as depth increases

thermocline

a layer between two layers of water with different temperature

pH

a numeric value expressing the acidity or alkalinity if a solution on a logarithmic

acidic

pH below 7

alkaline

having a pH greater than 7

neutral

ph equals 7

pH scale

a logarithmic scale that measures the ratio of hydrogen ions to hydroxide