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WorksheetsUnit 1 Part 3 Notes 3 Assessment
Total questions: 12
Worksheet time: 14mins
How many molecules of sugar (C6H12O6) are in 1 mole of sugar?
24 molecules
180 molecules
180 g
6.02 x 1023 molecules
How many mole(s) are in 6.02 x 1023 molecules of H2O?
1 mole
2 moles
6.02 moles
602000000000000000000000 moles
Which has the most particles?
1 mole H2
1 mole Na1+
1 mole Al(OH)3
These are all the same
Why is the mole used in chemistry?
The mass of atoms is in AMUs which is too hard to convert to grams.
A dozen is not a scientific amount.
Chemists needed to make chemistry easier to understand.
It makes counting large numbers of small particles easier.
How is "mole" abbreviated?
M
m
mol
ml
What is the molar mass of table salt (NaCl)?
116.89 g/mol
35.45 g/mol
22.99 g/mol
58.44 g/mol
What is the approximate mass of one mole of aluminum?
27 g
13 g
54 g
14 g
What is the approximate molar mass of CO2?
12
16
32
44
Calculate the molar mass of Ba(C2H3O2)2
255.3 g/mol
237.3 g/mol
228.3 g/mol
196.3 g/mol
Calculate the molar mass for Al(OH)3
78.0 g/mol
72 g/mol
28 g/mol
25 g/mol
