formula and reacting quantities x Flashcards
1
Q
How do you write a balanced equation
A
You make sure the chemical equations are balanced when there is the same number of each type of atom on both sides of the equation
2
Q
What is the grand formula mass (GFM)
A
The mass in grams of one mole of a substance
3
Q
How do you find the mass of a substance
A
M=nxgfm= (g)
4
Q
How do you find the number of moles in a substance
A
N = m/gfm = _moles
5
Q
How do you calculate GFM of a substance
A
You work out the relative atomic mass of every molecule and add them together