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प्रश्न
Explain the term:
Gram mole
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उत्तर
A sample of a substance with its mass equal to its gram molecular mass is called one gram molecule of this substance or one gram mole.
For example, the gram molecular mass of oxygen is 32g. So one gram mole of oxygen is 32g.
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संबंधित प्रश्न
Convert into mole.
22 g of carbon dioxide
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.
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 ?
How many moles of oxygen atoms are present in one mole of the following compounds ?
- Al2O3
- CO2
- Cl2O7
- H2SO4
- Al2(SO4)3
A flask contains 3.2g of sulphur dioxide.Calculate the following : The moles of sulphur dioxide present in the flask.
Find the number of molecules in 1.8 g of H2O.
Calculate the number of particles in 0.1 mole of any substance.
How many grams of HCl are present in 0.1 mole of it?
1 mole of any substance contains ______ molecules.
Deduce the number of molecules of the following compound in the given quantity.
90g water
