Chem Unit 7

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7 Terms

1

define molar mass

the mass of 1 mole’s worth of a substance

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2

example how you find/calculate molar mass

add the masses on the periodic table

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3

what is avogadro’s number

6.022 × 10²³

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4

what is a mole

6.022 × 10²³ particles

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5

define mole ratio

the ratio between the amounts in moles of any two compounds involved in a balanced chemical reaction

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6

where do you find a mole ratio?

the coefficients of a balanced chemical equation

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7

what is the formula for percent yield?

(actual yield/theorectical yield) * 100%

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