Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
The relative atomic mass of an element is the number of times one atom of an element is heavier than `1/12` the mass of an atom of C12.
APPEARS IN
संबंधित प्रश्न
What is the mass of 0.2 mole of oxygen atoms?
Calculate the percentage of water of crystallization in CuSO4.5H2O
(H = 1, O = 16, S = 32, Cu = 64)
If 16 g of oxygen contains 1 mole of oxygen atoms, calculate the mass of one atom of oxygen.
Calculate the mass in grams of 0.17 mole of hydrogen sulphide, H2S. (Atomic masses : H = 1 u, S = 32 u)
Prove the Following :
One mole of any gas contains th e same number of molecules.
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]
How many grams are there in the following?
3 moles of chlorine molecule, Cl2.
Cinnabar (HgS) is a prominent ore of mercury. How many grams of mercury are present in 225 g of pure HgS? Molar mass of Hg and S are 200.6 g mol–1 and 32 g mol–1 respectively.
Compute the difference in masses of 103 moles each of magnesium atoms and magnesium ions.
(Mass of an electron = 9.1×10–31 kg)
Deduce the number of molecules of the following compound in the given quantity.
8.8g carbon dioxide
