Pre-lab quiz notes. Flashcards
1
Q
Moles measure the what of molecules?
A
Number.
2
Q
Molarity is the measure of what of molecules?
A
Concentration
3
Q
What is the Avogadro constant of a mole.
A
6.02 x 10’23’
4
Q
What is 1 mole of h2o?
A
18g
5
Q
What is the molecular weight of a compound?
A
The weight in grams of a mole of molecules.
6
Q
What is 1 mole of carbon atoms?
A
12 g
7
Q
What is 1 mole of iron atoms?
A
56g
8
Q
What is 1 mole of co2?
A
44g
9
Q
What is 1 mole of acetic acid CH3COOH?
A
60g
10
Q
What is mass measured in?
A
g
11
Q
What is concentration measured in?
A
Moles per litre
mol.L’-1’
12
Q
What is volume measured in?
A
L or dm’3’
13
Q
How many milligrams ‘mg’ are in a gram ‘g’ ?
A
1000mg
14
Q
How many millimoles ‘mmol’ are in a mole?
A
1000
15
Q
How many micro litres are in a litre?
A
1,000,000 μL
