Using Moles to Balance Equations (OCR GCSE Chemistry A (Gateway Science Suite)): Flashcards
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Practise the cards
11 cards from this deck
1st step: balancing equations using moles
1st step: balancing equations using moles
Convert mass of each substance to moles
2nd step: balancing equations using moles
2nd step: balancing equations using moles
Find the simplest ratio of moles
3rd step: balancing equations using moles
3rd step: balancing equations using moles
Use the mole ratio to balance the equation
of
of
28
of
of
2
of
of
17
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
How to simplify mole ratios
How to simplify mole ratios
Divide all mole amounts by the smallest one