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Chemistry GCSE > Chemical Equations > Flashcards

Chemical Equations Flashcards

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1
Q

How do you calculate concentration? (gdm-3)

A

Mass of solute (g) / volume of solution (dm3)

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2
Q

How do you calculate concentration? (moldm-3)

A

Moles (mol) / volume of solution (dm3)

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3
Q

How do you calculate percentage yield?

A

(Actual yield / theoretical yield) x 100

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4
Q

How do you calculate atom economy?

A

(Relative formula mass of desired products / relative formula mass of all products) x 100

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5
Q

How do you calculate gas volume?

A

Moles x molar volume (24dm3/mol or 24000cm3/mol)

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6
Q

How do you calculate Rf value?

A

Distance moved by spot / distance moved by solvent

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7
Q

How do you calculate the number of particles?

A

Moles x 6.02 x 10^23

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Chemistry GCSE (16 decks)

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