formulas Flashcards
1
Q
what is the formula to calculate molar mass?
A
molar mass = mass(G)/number of moles in the solution
2
Q
what is the formula to calculate moles in a solution?
A
mass in a solution = mass/molar mass
3
Q
how do you calculate the molar mass of magnesium
oxide?
A
add the atomic relative atomic mass together
4
Q
how do you convert mass to moles in the empirical formula?
A
mass given/ atomic mass
5
Q
how do you calculate the % of each element?
A
(atomic mass element/molar mass of compound)x100
6
Q
how do you determine the limiting reaction?
A
determine the lowest mole ratio
7
Q
which is the strongest intermolecular bonding and why?
A
hydrogen bonding because it has a much higher electronegativity
