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प्रश्न
Fill in the following blanks :
A mole represents an .............. number of particles of a substance.
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उत्तर
A mole represents the Avogadro number of particles of a substance.
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संबंधित प्रश्न
Convert into mole.
20 g of water
If the aluminium salt of an anion X is Al2X3, what is the valency of X ? What will be the formula of the magnesium salt of X ?
What is meant by ‘a mole of carbon atoms’ ?
Which of the following pair of elements represents a mole ratio of 1 : 1 ?
Which of the following correctly represents 360 g of water ?
- 2 moles of H2O
- 20 moles of water
- 6.022 × 1023 molecules of water
- 1.2044 × 1025 molecules of water
Find the number of moles in 10 g of CaCO3.
Calculate the number of molecules in one Kg of calcium chloride.
What is Molar volume of a gas?
How many grams are there in the following?
4 moles of the phosphorous molecule, P4
If 0.2 mol of the following substance is required how many grams of that substance should be taken?
magnesium oxide
