C4

Question 1

Unit for mol

Answer 1

(Mol)

Question 2

Unit for mass

Answer 2

g

Question 3

What is the triangle

Answer 3

Mass
n (mol)=————
Mr

Question 4

Where do you find the Mr

Answer 4

The peodic table top number eg Sulfur

Question 5

What does 1 mole of copper Oxide react to form

Answer 5

To make 1 mole of sulfate

Question 6

What does n(mol) represent

Answer 6

Moles

Question 7

What does is m(g)

Answer 7

Mass in grams

Question 8

What is Mr(g/mol)

Answer 8

Mr(g/mol) is Relative molecular mass

Question 9

What is a the limiting reagent

Answer 9

The reactant that gets consumed first in a chemical reaction and therefore limits how much product can be formed

Question 10

What is Avegardos number

Answer 10

6.02 X 10 (to the power if 23 )

Question 11

What is the realtive molecular mass (mr)

Answer 11

Is the weight in grams in 1 mol (6.02 X 10 to the power of 23)

Question 12

What can you do to moles

Answer 12

You can half, quatar and hundreth moles

Question 13

Why can you half or quatar moles

Answer 13

Due to their size being so big

Question 14

What is half of 6.02 X 10 to the power of 23

Answer 14

3.01 X 10 to the power of 23

Question 15

What is a quatar of 6.02 X 10 to the power of 23

Answer 15

1.5 X 10 to the power of 23

Question 16

How many moles would be in the equation of Fe2O3

Answer 16

3 moles of Oxygens

Question 17

How do you find the moleacular mass of an atom

Answer 17

The number of atoms X atomic mass + The number of atoms X atomic mass

Question 18

What do moles show

Answer 18

How many particles they are not how much is in them

Question 19

What does 1 mole of gas take up at room tempretuare

Answer 19

24 decimeters cube at room tempretuare