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प्रश्न
Fill in the following blanks :
1 mole contains .............. atoms, molecules or ions of a substance.
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उत्तर
1 mole contains 6.022 × 1023 atoms, molecules or ions of a substance.
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संबंधित प्रश्न
Write the molecular formula of sulphuric acid.
The valency of sodium is one, write the molecular formula for sodium carbonate ?
The valency of sodium is one, write the molecular formula for sodium hydroxide ?
The valency of sodium is one, write the molecular formula for sodium nitratev ?
Fill in the blank
_______ is a triatomic molecule.
State the term
The combining capacity of an element _______
Which contains more molecules, 10 g of sulphur dioxide (SO2) or 10 g of oxygen (O2) ?
(Atomic masses : S = 32 u ; O = 16 u)
State the correct formula of the following from the option given:
Aluminium phosphate
State true of false. If false, give the correct statement.
Atoms cannot exist alone. They can only exist as groups called molecules.
Express each of the following in kilograms
5.84 × 10−3 mg
