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प्रश्न
Define mole. What are the two things that a mole represents.
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उत्तर
Mole can be defined as, the amount of a pure substance, containing the same number of atoms, molecules or ions as present in 12g of carbon. This refers to the value of 6.022 × 1023 atoms, molecules or ions of a substance.
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संबंधित प्रश्न
If one mole of carbon atoms weighs 12 gram, what is the mass (in gram) of 1 atom of carbon?
Convert into mole.
20 g of water
Convert into mole.
22 g of carbon dioxide
What is the mass of 0.2 mole of oxygen atoms ?
Fill in the following blanks :
A mole represents an .............. number of particles of a substance.
How many moles of oxygen atoms are present in one mole of the following compounds ?
- Al2O3
- CO2
- Cl2O7
- H2SO4
- Al2(SO4)3
Deduce the number of molecules of the following compound in the given quantity.
32g oxygen
Two oxides of a metal (M) have 20.12% and 11.19% oxygen. The formula of the first oxide is MO. Determine the formula of the second oxide.
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NH4NO3 → N2O + 2H2O
What volume of dinitrogen oxide is produced at the same time as 8.96 L of steam?
What mass of Ca will contain the same number of atoms as are present in 3.2 g of S?
