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प्रश्न
What name is given to the amount of substance containing this number of atoms ?
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उत्तर
A substance containing 6.022 × 1023 number of atoms is called 1 mole of that substance.
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संबंधित प्रश्न
Calculate the molar mass of the following substance:
Phosphorus molecule, P4 (atomic mass of phosphorus = 31)
What is the mass of 4 moles of aluminium atoms (Atomic mass of aluminium = 27)?
How many moles of calcium carbonate (CaCO3) are present in 10 g of the substance ? (Ca = 40 u ; C = 12 u ; O = 16 u)
How many atoms are there in 0.25 mole of hydrogen ?
What is the mass of 5 moles of sodium carbonate (Na2CO3) ?
(Atomic masses : Na = 23 u ; C = 12 u ; O = 16 u)
Which of the following correctly represents 360 g of water ?
- 2 moles of H2O
- 20 moles of water
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How many grams of H2O are present in 0.2 mole of it?
How many grams of CO2 is present in 0.1 mole of it?
Calculate the mass of 0.1 mole of the following:
CaCl2
(Ca = 40, Na=23, Mg =24, S=32, C = 12, Cl = 35.5, O=16, H=1)
How many grams are there in the following?
3 moles of chlorine molecule, Cl2.
