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Igcse Chemistry

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The Mole & the Avogadro Constant – Check yourself

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Mole & the Avogadro Constant Combined Science Chemistry check yourself quiz: free practice for Combined Science (chemistry). Work through this Mole & the Avogadro Constant Combined Science Chemistry check yourself quiz and get instant feedback on every answer. If you get stuck, review the 3.3 The mole and the Avogadro constant Core — Notes lesson. More practice: Combined Science (chemistry) — all units. Syllabus: Cambridge IGCSE qualifications.

1.

One mole of a substance contains

6.02 × 10²³ particles
1000 particles
12 particles
6.02 × 10²³ grams
2.

The mass of one mole of water (Mr 18) is

1 g
36 g
6.02 × 10²³ g
18 g
3.

How many moles are in 4.0 g of NaOH (Mr 40)?

10
160
0.10
0.40
4.

The volume of one mole of any gas at r.t.p. is

22.4 cm³
1 dm³
12 dm³
24 dm³
5.

What is the volume of 0.25 mol of CO₂ at r.t.p.?

6.0 dm³
96 dm³
24 dm³
0.25 dm³
6.

A solution contains 0.20 mol of solute in 500 cm³. Its concentration is

0.10 mol/dm³
0.20 mol/dm³
0.40 mol/dm³
100 mol/dm³
7.

What mass of CO₂ is produced from 12 g of carbon burned completely? (C 12, O 16)

12 g
28 g
44 g
32 g
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