Question

Raunak took 5 moles of carbon atoms in a container and Krish also took 5 moles of sodium atoms in another container of the same weight. Whose container is heavier?

Answer 1

Hint: Mole, also spelled mol, is a scientific unit of the amount of substance. For a monatomic element, gram atomic mass is the mass of one mole of atoms of a substance in grams. The molar mass of sodium is 23 and carbon is 12.

Complete Step by step solution:
Atom is a fundamental piece of matter which is made up of matter. Atom is made up of three subatomic particles like protons, electrons, and neutrons. Two of these sub particles that are protons and neutrons are situated in the centre of the atom.
The gram atomic weight of an element is the weight of one mole for that element.
For example,
Hydrogen's gram atomic weight is 1 g.
So, we can say that 1 gram of hydrogen contains 1 mole of hydrogen.
So, as per question,
Raunak took 5 moles of carbon atoms in a container, so we can say he took five times the mass of carbon. Mass of carbon is 12 g for one mole.
So the total mass of 5 moles of carbon gas will be $ 5 \times 12 = 60 $ .
So, 5 moles of carbon gas will contain 60 grams of carbon.
Krish took 5 moles of sodium atoms in a container, so we can say he took five times the mass of sodium.
Mass of sodium is 23 grams.
So the total mass of 5 moles of sodium will be $ 5 \times 23 = 165 $ .
So, the weight of a container containing sodium is more than the weight of a container containing carbon. Hence Krish’s container is heavier.

Note:
SI unit of mass is kilogram. The CGS unit of mass is gram. 1kilogram is equal to 1000 grams.
1 kilogram = 1000 gram
One mole is equal to \[6.022 \times {10^{23}}\] number of atoms.