chapter 2 Flashcards
1
Q
relative atomic mass
A
the mass of one of its atoms relative to 1/12 the mass of one tom of carbon-12
2
Q
Definition of the Avogadro constant
A
number of atom in 12g of carbon-12
3
Q
the formula of Avogadro constant
A
no. of particles = mol x 6.022 x 10^23
4
Q
Definition of the mole
A
amount of substance that contains 6.022 x 10^23 particle
5
Q
the formula of mole
A
mass / molar mass(Mr)
6
Q
concentration
A
mol/volume
7
Q
the ideal gas equation
A
PV=nRT
8
Q
the empirical formula of compounds
A
the relative number of atoms of each element present, using the smallest whole number of atoms
9
Q
molecular formula of compounds
A
the actual number of atoms of each element in a molecule
10
Q
% atom economy
A
mass of desired product / total mass of reactant
11
Q
% yield
A
actual yield / theoretical yield
12
Q
A
