© Copyright Pearson Prentice Hall Slide 1 of 41 Chemical Calculations > Writing and Using Mole Ratios In chemical calculations, mole __________ are used.

© Copyright Pearson Prentice Hall

Slide 1 of 41

Chemical Calculations > Writing and Using Mole Ratios

In chemical calculations, mole

__________ are used to convert between

moles of __________ and moles of

____________, between moles of

reactants, or between moles of products.

12.2

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Mole-Mole Calculations

A mole ratio is a ___________ ___________ derived from the coefficients of a balanced chemical equation interpreted in terms of moles.

12.2

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To determine the number of moles in a

sample of a compound, first ___________ the

mass of the sample. Then use the

___________ _______________ to calculate

the number of moles in that mass.

12.2


SAMPLE PROBLEM

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12.2


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Practice Problems for Sample Problem 12.2

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Mass-Mass Calculations

12.2


SAMPLE PROBLEM

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12.3


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`

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Chemical Calculations > Other Stoichiometric Calculations

In a typical stoichiometric problem, the given quantity is first converted to moles. Then the mole ratio from the balanced equation is used to calculate the number of moles of the wanted substance. Finally, the moles are converted to any other unit of measurement related to the unit mole, as the problem requires.

12.2


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Solution Diagram

12.2


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Problem-Solving Approach

12.2


SAMPLE PROBLEM

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12.4


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SAMPLE PROBLEM

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12.5


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SAMPLE PROBLEM

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© Copyright Pearson Prentice Hall Slide 1 of 41 Chemical Calculations > Writing and Using Mole Ratios In chemical calculations, mole __________ are used.

Documents

number of moles

unit mole

typical stoichiometric

terms of moles

moles of reactants

moles of products

practice problems

balanced chemical equation