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Chemistry A-Level > Topic 5 Formulas > Flashcards

Topic 5 Formulas Flashcards

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1
Q

Number of moles

A

Moles= mass/mr

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2
Q

Moles of gas (at room temperature and pressure)

A

Moles of gas= volume of gas/24

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3
Q

Ideal gas equation

A

PV=nRT

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4
Q

Ideal gas equation

A

PV=nRT

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5
Q

Concentration of a solution

A

Concentration= moles/volume

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6
Q

Concentration from titrations

A

Concentration=moles/volume x1000

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7
Q

Percentage yield

A

Actual yield/ theoretical yield x 100

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8
Q

Atom economy

A

Atom economy= mr of desired product/total mr of all products x100

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9
Q

Percentage Uncertainty

A

Uncertainty/ measured value x100

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Chemistry A-Level (5 decks)

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