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प्रश्न
Explain the term:
Gram atom
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उत्तर
A gram atom is the amount of an element whose mass in grams is numerically equal to its atomic mass.
For example,
Atomic mass of carbon = 12 u
So, 1 gram atom of carbon = 12 grams of carbon
संबंधित प्रश्न
Calculate the molar mass of the following substance:
Phosphorus molecule, P4 (atomic mass of phosphorus = 31)
Calculate the molar mass of the following substance:
Sulphur molecule, S8
Fill in the following blanks :
64 g of oxygen gas contains ................ moles of oxygen atoms.
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.
What is Molar volume of a gas?
Calculate the number of moles in 27g of Al.
How many grams are there in the following?
3 moles of chlorine molecule, Cl2.
Calcium chloride when dissolved in water dissociates into its ions according to the following equation.
\[\ce{CaCl2} (aq) → {Ca^{2+} (aq) + 2{Cl}- (aq)}\]
Calculate the number of ions obtained from CaCl2 when 222 g of it is dissolved in water.
