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Chemistry > Quantitive Chemestry > Flashcards

Quantitive Chemestry Flashcards

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1
Q

Percenatge mass of element in a compound

A

Ar x number of atoms in element/ Mr of compound

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2
Q

What is avogdros constant

A

6.02x10^23

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3
Q

Number of moles using mass

A

N=m/Mr

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4
Q

Volume of gas

A

V=m/Mr

GAS ONLY

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5
Q

Concentration

A

C=n/v

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6
Q

Concenration in g/dm3

A

C=m of solute/ v of solvent

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7
Q

Conectration in mol/dm3

A

C=n of solute/ v of solvent

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8
Q

Atom economy

A

Relative formula mass of desired products / relative formula mass of all reactants

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9
Q

Percentage yield

A

Mass of product actualy made/maximum theoretical mass of product

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Chemistry (2 decks)

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