If each jar below contains exactly one mole of each element, which jar contains the greatest mass? (The atomic mass of each element is given.)

MolesAQ2
A. The jar of carbon.
B. The jar of sulfur.
C. The jar of aluminum.
D. Each jar contains the same mass.

The atomic mass of Sulfur has been the highest. Thus, the mass of 1 mole of Sulfur is high as compared to others. So, option B is correct.

The atomic mass has been equal to the mass of an element in 1 mole.

From the given atomic mass, the masses are:

Carbon: 12 g/mole

Sulfur: 32 g/mole

Aluminum: 27 g/mole

From carbon, sulfur, and aluminum, the highest atomic mass is of sulfur. The increasing order of atomic mass will be :

Carbon < Aluminum < Sulfur.

For more information about mole of element, refer to the link:

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B.

The jar of sulfur.

Explanation:

The molar mass of sulfur is 32 g/mol

The molar mass of Aluminium is 27g/mol

The molar mass of carbon is 12 g/mol

Therefore based on these numbers, it is evident that a mole of Sulfur weighs the heaviest.

Different elements weight different because their atoms have different mass numbers. The lower you go in the periodic table the heavier the atoms became because they have more atomic units (neutrons and protons) in their nuclei.

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