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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
The valency of sodium is one, write the molecular formula for sodium carbonate ?
In hydrogen peroxide (H2O2), the proportion of hydrogen and oxygen by mass is :
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Fill in the blank:
A molecule of an element is _________.
State the correct formula of the following from the option given:
Sodium bisulphite
State the correct formula of the following from the option given:
Aluminium phosphate
Molecule containing more than three atoms are known as ______.
What is the fraction of the mass of water due to neutrons?
Express each of the following in kilograms
5.84 × 10−3 mg
Compute the number of ions present in 5.85 g of sodium chloride
