Chem equa and formula Flashcards
1
Q
Copper sulfate + magnesium ~> copper + magnesium sulfate
A
CuSO4 + Mg ~> Cu + MgSO4
2
Q
One mole of a substance will have the same mass in grams as the …
A
Relative atomic mass or formula mass of that substance
3
Q
n =
A
m / Mr
4
Q
Number of Moles =
A
Mass / formula mass
5
Q
Percentage yield =
A
Actual yield / theoretical yield x 100
6
Q
Moles =
A
Concentration x volume
7
Q
n =
A
C x V
8
Q
Volume of a gas =
A
Moles x 24,000
9
Q
V =
A
n x 24,000