Advertisements
Advertisements
प्रश्न
Define or explain the term:
Relative atomic mass
Advertisements
उत्तर
The relative atomic mass of an element is the number of times one atom of the element is heavier than `1/12` times of the mass of an atom of carbon-12.
APPEARS IN
संबंधित प्रश्न
What is the mass of 4 moles of aluminium atoms (Atomic mass of aluminium = 27)?
Convert into mole.
20 g of water
How many moles are 3.6 g of water ?
Fill in the following blanks :
A mole represents an .............. number of particles of a substance.
Show by means of calculations that 5 moles of CO2 and 5 moles of H2O do not have the same mass. How much is the difference in their masses ?
Calculate the number of particles in 0.1 mole of any substance.
Calculate the number of atoms in the following:
52 g of He
Which of the following weighs the least?
Solid ammonium dichromate decomposes as:
\[\ce{(NH4)2Cr2O7 -> N2 + Cr2O3 + 4H2O}\]
If 63 g of ammonium dichromate decomposes. Calculate the quantity in moles of nitrogen formed.
The visible universe is estimated to contain 1022 stars. How many moles of stars are present in the visible universe?
