Amounts of Substances in Equations (AQA GCSE Chemistry Combined Science): Flashcards
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Practise the cards
10 cards from this deck
What do numbers in balanced equations represent?
What do numbers in balanced equations represent?
Mole ratios of substances
Formula: moles from mass
Formula: moles from mass
Moles (or Ar for elements)
Write equation: Mg + HCl reaction
Write equation: Mg + HCl reaction
Moles of Mg that react with 2 moles HCl
Moles of Mg that react with 2 moles HCl
1 mole of Mg
Moles of HCl reacting with 1 mole Mg
Moles of HCl reacting with 1 mole Mg
2 moles of HCl
Moles of from 1 mole Mg + 2 moles HCl
Moles of from 1 mole Mg + 2 moles HCl
1 mole
Moles of produced from 1 mole Mg
Moles of produced from 1 mole Mg
1 mole
Calculate: moles in 6g Mg (Mr=24)
Calculate: moles in 6g Mg (Mr=24)
moles
How to calculate amounts in a reaction from moles?
How to calculate amounts in a reaction from moles?
Use mole ratios from balanced equation
What Mr represents
What Mr represents
Relative molecular mass