EXPRESSING QUANTITIES & CONCENTRATIONS Flashcards
Acronym for the French word Systeme International d’ Unites
It is the standardized system of units
SI UNITS
Base unit of Length
Meter
Base unit of Time
Second
Base unit of Mass
Kilogram
Base unit of Temperature
Kelvin
Base unit of Electric Current
Ampere
Base unit of Luminious Intensity/ Light
Candela
Base unit of amt. of substance
Mole
It is the SI unit for the amount of chemical species
Associated with a chemical formula and Avogado’s number (6.00 x 1023)
The Mole
is the mass in grams of one mole of the substance
Calculated by summing the atomic masses of all the elements appearing in a chemical formula
Molar Mass (M)
Is an invariant measure of the amount of matter in an object
Mass
Is the force of attraction between an object and its surrounding
Weight
It is the one thousandth of a mole (1/1000 of a mole)
The Millimole
Number of moles of the solute species that is contained in one liter of the solution
Molar Concentration (Molarity M)
Is the total number of moles of solute in 1 L of solution
Analytical Molarity
AKA species molarity
Molar concentration of a particular species in solution at equilibrium
Equilibrium Molarity