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(A) Topic 2 - Amount of Substance

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Total cards: 7•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (7)

#1
Front (Question)

Acid + Metal -> (Reactions of acids)

Back (Answer)

Salt + Hydrogen

#2
Front (Question)

Acid + Metal oxide -> (Reactions of acids)

Back (Answer)

salt + water

#3
Front (Question)

Acid + Metal Hydroxide -> (Reactions of acids)

Back (Answer)

Salt + Water

#4
Front (Question)

Acid + Metal Carbonate -> (Reactions of acids)

Back (Answer)

Salt + Carbon Dioxide + Water

#5
Front (Question)

What is: A Spectator Ion

Back (Answer)

An ion that is present but not involved in the reaction. Ionic equations do not include spectator ions

#6
Front (Question)

What reasons do we not get 100% yield? (% Yield) There are 6

Back (Answer)

• Impure reactants • Inaccurate measurements • Reversible reactions • Loss of products • Side reactions • Limiting reagents

#7
Front (Question)

Key Points: Atom Economy There are 4

Back (Answer)

• If there is only 1 product atom economy is 100% • Industry wants a high atom economy as it is more profitable and low atom economies are expensive • Less ‘waste’ = higher atom economy • We can increase Atom Economy by selling the by-products (or waste products) for other uses.