Advertisements
Advertisements
प्रश्न
The visible universe is estimated to contain 1022 stars. How many moles of stars are present in the visible universe?
Advertisements
उत्तर
1 mole of stars = 6.022 × 1023 stars
Number of moles of stars = `10^22/(6.023 xx 10^22)`
= 0.0166 moles
APPEARS IN
संबंधित प्रश्न
Calculate the molar mass of the following substance:
Sulphur molecule, S8
Calculate the molar mass of the following substance:
Nitric acid, HNO3
If 0.2 mol of the following substance is required how many grams of that substance should be taken?
Sodium chloride
Define the term.
Molar volume
Explain the term:
Gram mole
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?
Find the number of molecules in 1.8 g of H2O.
Calculate the number of particles in 0.1 mole of any substance.
Calculate the number of moles of methane in 0.80 g of methane.
The number of atoms present in 0.1 mole of P4 (at. mass = 31) is ______.
