C7 Chemical calculations with moles Flashcards

1
Q

What is the yield of a reaction?

A

mass of product obtained from the reaction

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2
Q

Why is the actual yield always less than the theoretical yield of a reaction?

A

~reaction may be
reversible
~some product can be lost
on separation

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3
Q

What is percentage yield?

A

actual yield as a proportion of the theoretical yield

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4
Q

What is atom economy?

A

measure of how many atoms of the reactants end up as useful products

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5
Q

What is titration?

A

method used to calculate the concentration of an unknown solution

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6
Q

Why is a white tile used in titration?

A

To see the colour changing better

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7
Q

What are concordant titres?

A

titres within 0.1^3 of each other

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8
Q

What volume does one mole of any gas occupy?

A

24dm^3

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