Mole, Balancing Equations And Concentration Flashcards
1
Q
A…..is formed when a solute is dissolved in a solvent
A
Solution
2
Q
One mole = the…..mass of a substance, in……
A
Formula,grams
3
Q
What is one mole of MgSO4
A
120.5g
4
Q
3 moles of H2O
A
54g
5
Q
What formula do you use for mass, moles and gram formula mass
A
m = n x GFM
m = mass
n = number of moles
GFM = gram formula mass
6
Q
14g of KOH
A
0.25
7
Q
What does (g), (l), (s), (aq)
A
g = gas
l = liquid
s = solid
aq = dissolved in water
8
Q
What method do you use to balance equations?
A
Bubble method
9
Q
What is volume measured in?
A
Litres
10
Q
What formula do you use for volume, concentration and number of moles?
A
n = c x V
c = concentration
V = volume
n = number of moles
11
Q
How do we relate mass and concentration?
A
m = n x GFM
n = c x V
12
Q
What is a standard solution?
A
It is an accurately known concentration
