Moles Flashcards
1
Q
What is a mole
A
A mass substance containing exactly the amount of particles and atoms as 12.000 g of 12carbon
2
Q
How big is an atom
A
1x10-10m in diameter
3
Q
How big is a mole
A
6.02x10’23
4
Q
What is avagadros number
A
6.02x10’23
5
Q
What is Mr
A
Molecules etc
6
Q
What is ar
A
Single atoms
7
Q
What does it mean to calculate molar mass
A
To calculate the mass of one mole of that substance
8
Q
What is a solute
A
The substance that is dissolved in another substance
9
Q
What is a solvent
A
He substance that something is dissolved into
10
Q
What is concentration
A
the number of moles of solute per cubic decimeter(dm3) of solution
11
Q
What is a concentrated solution
A
Large amount of solute dissolved into solvent
12
Q
What is a dilute solution
A
Small amounts of solute dissolved into solvent
