Free Printable Moles Quiz

1.

What is a mole?

a)

Unit of amount of substance. 1 mole contains the same amount of atoms as there are atoms in 12g of Carbon

b)

A number - 6.02x10^23

c)

Unit of amount of substance. 1 mole contains the same amount of particles as there are atoms in 12g of Carbon-12

2.

What is the Avogadro constant?

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3.

How do we calculate relative molecular mass?

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4.

What is the relative molecular mass of water (H₂O)?

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5.

what is the relative molecular mass of hydrogen chloride (HCl)?

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6.

What is the mass of 3 moles of C₂H₄?

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7.

What is the mass of 0.7 moles of SO₃?

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8.

What is the percentage by mass of nitrogen in trinitrotoluene, C₇H₅(NO₂)₃?

a)

32.1%

b)

18.5%

c)

12.3%

d)

6.17%

9.

How do you calculate "number of moles" of a substance?

a)

$moles\ =mass\ \times mass\ of\ 1\ mole$

b)

$moles\ =\ mass\ \div mass\ of\ 1\ mole$

c)

$moles\ =\ mass\ x\ number\ of\ particles$

d)

$moles\ =\ mass\ \div number\ of\ particles$

10.

How do you calculate the mass of one mole of a substance?

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Moles Quiz

Total questions: 10

Worksheet time: 24mins

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