Stoichometry Flashcards

1
Q

What is RAM/how do we find it out

A

Average weight of the isotopes if the element.

Percentage/amount x mass number e.g 35 chlorine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is RFM/how do we find it out?

A

Total mass of the molecule

Add up the masses of the molecule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How to find percentage composition using RFM

A

Find RFM. Divide by what you want by RFM x 100

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How to find the mole of a substance

A

Find the RFM then add the unit, grams

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Simple mole formula

A

N.O of moles = mass/mass of 1 mole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How to find formulae with moles

A

Combining masses / number of moles. Turn into a ratio

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Equation for Charge (Coulombs)

A

Coulombs = Current (amps) x time (seconds)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Calculating mass, electrolysis

A

Find charge, then electron number x faradays (92,000), Coulombs÷total charge x atomic mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly