Advertisements
Advertisements
प्रश्न
What is the mass of 4 moles of aluminium atoms (Atomic mass of aluminium = 27)?
उत्तर
The mass of 4 moles of aluminium atoms is (4 × 27) g = 108 g.
APPEARS IN
संबंधित प्रश्न
Convert into mole.
20 g of water
What is the mass of 0.2 mole of oxygen atoms?
What is the value of Avogadro's number?
Define the term Relative atomic mass.
The equation for the burning of octane is:
\[\ce{2C8H18 + 25O2 -> 16CO2 + 18H2O}\]
How many moles of carbon dioxide are produced when one mole of octane burns?
Calculate the mass of 0.1 mole of carbon dioxide.
[Atomic mass: S = 32, C = 12 and O = 16 and Avogadro's number = 6 × 1023]
The molecular formula for elemental sulphur is S8.In a sample of 5.12 g of sulphur:
How many molecules and atoms are present?
Correct the statement, if required.
The relative atomic mass of an element is the number of times one molecule of an element is heavier than `1/12` the mass of an atom of C12.
Calculate the number of oxygen atoms in 0.10 mole of Na2CO3.10H2O.
Calculate the number of moles in 1.51 × 1023 molecules of NH4Cl.
