The mole and concentration of solutions Flashcards
1
Q
What is a mole?
A
The gfm of a substance is known as the mass of one mole
2
Q
Whats the triangle to answer moles questions
A
Mass
Moles Formula mass
3
Q
Number of moles
A
number of moles= mass/formula mass
4
Q
Mass number formula
A
Mass=
Number of moles X formula mass
5
Q
What is the concentration of a solution?
A
Solutions are formed when solutes dissolve in solvents. If the number of moles of solute and the volume of solvent used is known, the concentration of the solution can be calculated
6
Q
What is the calculation to work out the concentration of something?
A
number of moles/volume
7
Q
What is the calculation to work out the volume of something?
A
no. of moles/concentration
8
Q
What is the calculation to work out the number of moles?
A
concentration X volume
