Calculations Flashcards
(4 cards)
1
Q
What is relative formula mass
A
All atomic mass of a compound
2
Q
mole equation
A
Number of moles = Mass in g / relative formula mass
3
Q
equation for precentage yield
A
actual yield (grams)/ theoretical yield (grams)
4
Q
How to find empirical formula
A
List all elements in the compound, list masses, find moles by mass/mr, divide each mall by smallest number