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Chemistry > Quantitative Chemistry > Flashcards

Quantitative Chemistry Flashcards

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1
Q

Formula to calculate moles

A

Mass in g / Mr

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2
Q

Formula to calculate % mass of an element

A

Ar x number of atoms in an element / Mr of the compound times by 100

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3
Q

Formula to calculate volume of gas

A

Mass of gas / Mr of gas times by 24

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4
Q

Formula of concentration of a solution in g/dm cube

A

Mass of solute / volume of solvent

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5
Q

Formula of concentration in mol/dm cubed

A

Number of moles of solute / volume of solvent

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6
Q

Atom economy formula

A

Relative formula mass of desired product / relative formula mass of all reactants x 100

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7
Q

Percentage yield formula

A

Mass of product actually made / maximum theoretical mass of product x 100

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Chemistry (4 decks)

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