Chemical Calculations Flashcards
1
Q
How do you work out the relative formula mass of a compound?
A
By adding up the relative atomic masses of the elements in it.
2
Q
What do balanced symbol equations tell you?
A
Balanced symbol equations tell you the number of moles of substances involved in a chemical reaction.
3
Q
What is the reactant that gets used up first in a reaction called?
A
The limiting reactant. This is the reactant that is not in excess.
4
Q
What does the limiting reactant determine?
A
The amounts of product formed in a chemical reaction
