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Chemistry🧪 > C4: Chemical Calculations > Flashcards

C4: Chemical Calculations Flashcards

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1
Q

What is the equation for the number of moles?

A

Mass(g) ➗Mr

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2
Q

How to find the percentage yield?

A

Actual mass of product produced ➗ maximum theoretical mass of product possible ✖️100%

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3
Q

How to find the percentage atom economy?

A

Relative formula mass of the desired product from equation ➗ sum of the relative formula mass of the reactants from equation ✖️ 100%

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4
Q

What is titrations used for?

A

To measure what volumes of acid and alkali react completely together.

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5
Q

How to find the number of moles of gas?

A

Volume of gas (dm3) ➗ 24dm3
OR
Volume of gas (cm3) ➗ 24,000cm3

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Chemistry🧪 (7 decks)

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