Advertisements
Advertisements
प्रश्न
What is the mass of 0.5 mole of water molecules?
Advertisements
उत्तर
Mass of one mole of water molecule = 18 g
Then, mass of 0.5 mole of water molecules = 0.5 × 18 g = 9 g
APPEARS IN
संबंधित प्रश्न
Fill in the following blanks :
0.5 mole of calcium element has a mass of ............... .
What weight of each element is present in 1.5 moles of sodium sulphite, Na2SO3 ?
(Atomic masses : Na = 23 u ; S = 32 u ; O = 16 u)
What is meant by ‘a mole of carbon atoms’ ?
How many moles of oxygen atoms are present in one mole of the following compounds ?
- Al2O3
- CO2
- Cl2O7
- H2SO4
- Al2(SO4)3
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?
Which of the following would weight the least?
[Atomic masses : Ag = 108, N - 14, O = 16,C = 12]
Find the number of molecules in 1.8 g of H2O.
Find the number of molecules in 3.2 g of SO2.
Calculate the number of atoms in the following:
52 amu of He
