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Edexcel GCSE Chemistry stuff > Calculations (Papers 1+2) > Flashcards

Calculations (Papers 1+2) Flashcards

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1
Q

What is the calculation for Atom Economy?

A

(Mr of desired products / sum of Mr of all products) x100

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2
Q

What is the calculation for Percentage Yield?

A

(Actual yield / Theoretical yield) x100

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3
Q

What is one calculation for Moles involving Avogadro’s constant?

A

Number of particles or atoms / 6.02x10(to the power of 23)

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4
Q

What is the calculation for Moles for solids?

A

Mass / Mr

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5
Q

What is the calculation for Moles for solutions?

A

Concentration x Volume

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6
Q

What is the calculation for Moles for gases?

A

Volume / 24

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7
Q

What is the calculation for Rf value?

A

Distance travelled by solute / Distance travelled by solvent (Rf value is always less than 1)

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Edexcel GCSE Chemistry stuff (16 decks)

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