Using Moles to Balance Equations (AQA GCSE Chemistry Combined Science): Flashcards
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Using moles to balance equations
Using moles to balance equations
Convert mass to moles, find ratio, balance
1st step: balancing with moles
1st step: balancing with moles
Convert mass to moles
2nd step: balancing with moles
2nd step: balancing with moles
Find simplest ratio of moles
3rd step: balancing with moles
3rd step: balancing with moles
Use ratio to balance equation
Mr of
Mr of
28
Mr of
Mr of
2
Mr of
Mr of
17
Simplifying mole ratio method
Simplifying mole ratio method
Divide all by smallest mole amount
Balance:
Balance:
Moles of from 5.6 g (Mr=28)
Moles of from 5.6 g (Mr=28)
0.2 moles
Moles of from 1.2 g (Mr=2)
Moles of from 1.2 g (Mr=2)
0.6 moles
Moles of from 6.8 g (Mr=17)
Moles of from 6.8 g (Mr=17)
0.4 moles