Quantitative Chemistry Flashcards
What is the ideal gas equation?
PV = nRT
What are the units for pressure in the ideal gas equation?
Pa (pascals)
What are the units for volume in the ideal gas equation?
m^3
What is the equation for the mass of 1 atom?
mass of 1 atom = Ar / L
What is the equation for the number of molecules/atoms in a compound?
number of molecules/atoms = moles x L
What is the equation for % yield?
% yield = experimental mass/theoretical mass x 100
what is the equation for atom economy?
atom economy = Mr of desired product/ Mr of reactants x 100
What is the equation linking moles, concentration and volume?
conc = mol/vol
What is 500cm3 in dm3?
0.5dm3
What is the equation used to find moles?
mol = mass/Mr
What is the half equation for MnO4-?
MnO4- + 8H+ + 5e- –> Mn2+ + 4H2O