Amounts of Substances in Equations (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Flashcards
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Practise the cards
10 cards from this deck
What do numbers in balanced equations show?
What do numbers in balanced equations show?
Ratio of moles of each substance
Formula to calculate moles from mass
Formula to calculate moles from mass
Moles = mass ÷ (or for elements)
Mole ratio Mg:HCl in
Mole ratio Mg:HCl in
1:2
Moles of Mg in
Moles of Mg in
1 mole
Moles of HCl in
Moles of HCl in
2 moles
Moles in 6g Mg with
Moles in 6g Mg with
moles
How to find amounts needed/produced in reactions
How to find amounts needed/produced in reactions
Use mole ratios from balanced equation
What means
What means
Relative molecular mass
When to use instead of
When to use instead of
For elements
Moles of in
Moles of in
1 mole