Mols Flashcards

1
Q

What is one mol equivalent to

A

Avogadro’s constant / 6.022 x 10^23

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2
Q

How do you calculate mols of a substance

A

Mols = Mass / Mr

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3
Q

How would you calculate the mols present in 25g of calcium carbonate

A

CaCO3 = 100
Mass= 25

25/100 = 0.25mols

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4
Q

Calculate the mass of 0.25 moles in C4H10

A

C4H10 = 58
0.25 x 58 = 14.5g

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