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IB Chemistry SL 1.4.1 Mole Question Bank

Practise IB Chemistry SL 1.4.1 with questions converting mass, amount and particles using molar mass and the Avogadro constant.

Syllabus
First assessment 2025
Course
Chemistry SL
Level
SL

1.4.1—Mole (mol) question 1

[Maximum number: 1]

How many ions are present in 0.20 mol of (NH4)2SO4\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4} ?

A

0.20×1×6×10230.20 \times 1 \times 6 \times 10^{23}

B

0.20×2×6×10230.20 \times 2 \times 6 \times 10^{23}

C

0.20×3×6×10230.20 \times 3 \times 6 \times 10^{23}

D

0.20×7×6×10230.20 \times 7 \times 6 \times 10^{23}

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