Advertisements
Advertisements
प्रश्न
How many moles of O2 are there in 1.20 × 1022 oxygen molecules ?
Advertisements
उत्तर
1.20 × 1022 molecules of oxygen
One mole of oxygen contains 6.022 × 1023 molecules.
1.20 × 1022 molecules of oxygen contain = 1.20 × 1022 / 6.022 × 1023 = 0.01099 moles.
Hence, 1.20 × 1022 molecules of oxygen contain 0.0199 moles of oxygen.
APPEARS IN
संबंधित प्रश्न
Convert into mole.
22 g of carbon dioxide
What is the mass of 5 moles of sodium carbonate (Na2CO3) ?
(Atomic masses : Na = 23 u ; C = 12 u ; O = 16 u)
Prove the Following :
One mole of any gas contains th e same number of molecules.
Calculate the number of molecules in one Kg of calcium chloride.
How many grams of CO2 is present in 0.1 mole of it?
Calculate the number of moles of methane in 0.80 g of methane.
What mass of Ca will contain the same number of atoms as are present in 3.2 g of S?
Calculate the number of gram atoms in 4.6 gram of sodium.
N2 + 3H2 → 2NH3
(The atomic mass of nitrogen is 14, and that of hydrogen is 1)
1 mole of nitrogen (______ g) +
3 moles of hydrogen (______ g) →
2 moles of ammonia (______ g)
How many grams are there in the following?
4 moles of the phosphorous molecule, P4
