Moles, Mass & Molecules: Understanding Avogadro's Number
Test your knowledge of fundamental chemical calculations and concepts involving Avogadro's number, moles, and molar mass.
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Test your knowledge of fundamental chemical calculations and concepts involving Avogadro's number, moles, and molar mass.
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3.2 × 10²³ particles/mole
6.0 × 10²³ particles/mole
9.1 × 10²³ particles/mole
4.5 × 10²³ particles/mole
6 grams
14 grams
12 grams
1 gram
2 moles
1 mole
0.5 moles
4 moles
A mole is always equal to 6.02 × 10²³ particles
A mole of any substance has the same number of particles
A mole of different substances always has the same mass
A mole is a counting unit like a dozen
6.02 × 10²³ atoms
1.20 × 10²⁴ atoms
3.01 × 10²³ atoms
2.00 × 10²³ atoms
18 g/mol
28 g/mol
16 g/mol
20 g/mol
29.25 g
58.5 g
23 g
35.5 g
3.01 × 10²³ molecules
6.02 × 10²³ molecules
1.20 × 10²⁴ molecules
4.50 × 10²³ molecules
To make calculations more difficult
To bridge between atomic and macroscopic scales
To measure temperature
To calculate density
The atomic mass of each element
The ratio of moles of each substance
The number of electrons
The density of each substance
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