Unit 1.3 Flashcards

(12 cards)

1
Q

what is avogadros number

A

6.022 x 10^23

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2
Q

when do u use avogadros number

A

moles and # of particles

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3
Q

unit for molar mass

A

g/mol

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4
Q

atomic mass unit

A

amu

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5
Q

molar mass is

A

adding atomic masses of component atoms

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6
Q

mass % of element equation

A

= # of atoms of that element times molar mass of that element all divided by molar mass of compound times 100%

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7
Q

empirical formula

A

formulas reduced or simplified as much as they can be

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8
Q

molecular formula

A

actual formula that cannot be simplified and often many empirical formulas

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9
Q

percent yield

A

= actual yield divided by theoretical yield x 100

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10
Q

theoretical yield is

A

amount of product predicted from stoichiometry taking LR into consideration

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11
Q

actual yield is

A

amount of product actually obtained in reaction

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12
Q

percent yield

A

compared the actual field to the theoretical yield to gage the viability of a lab experiment

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