1
Q
The mole
A
The mass is equal to its Ar or molecular mass in grams
2
Q
Concentration
A
- Amount of solute dissolved in certain amount of solution
- the number of moles of solute in 1dm3 of solution
3
Q
How can concentration be measured
A
G/dm3 or mol/dm3
4
Q
No of moles
A
Mass over ar or mr
5
Q
Percentage
A
Ar times no of atoms over mr times 100
6
Q
No of particles
A
No of moles times avogrado
7
Q
Molar gas volume
A
24dm3 times mol at rtp
8
Q
No of moles in solution
A
Vol x con
9
Q
Con
A
No of mole over vol
10
Q
Mr definition
A
The number if ar of elements in a present molecule
Grade 9 Chemistry
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