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प्रश्न
Define the term:
Mole
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उत्तर
Mole is the amount of a substance containing elementary particles like atoms, molecules or ions in 12 g of carbon - 12.
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संबंधित प्रश्न
Calculate the molar mass of the following substance:
Hydrochloric acid, HCl
Convert into mole.
12 g of oxygen gas
A gas cylinder can hold 1 kg of hydrogen at room temperature and pressure
1) Find the number of moles of hydrogen present.
2) What weight of CO2 can the cylinder hold under similar conditions of temperature and pressure? (H = 1, C = 12, O = 16)
3) If the number of molecules of hydrogen in the cylinder is X, calculate the number of CO2 molecules in the cylinder under the same conditions of temperature and pressure.
4) State the law that helped you to arrive at the above result.
Fill in the following blanks :
64 g of oxygen gas contains ................ moles of oxygen atoms.
Explain with examples what is meant by a 'mole' of a substance.
A sample of ammonium nitrate when heated yields 8.96 litres of steam (measured at STP)
NH4NO3 → N2O + 2H2O
What volume of dinitrogen oxide is produced at the same time as 8.96 L of steam?
How many grams of CO2 is present in 0.1 mole of it?
If phosphorus is considered to contain P4 molecules, then calculate the number of moles in 100g of phosphorus?
One mole of any gas occupies ______ ml at S.T.P.
What is Molar volume of a gas?
