Advertisements
Advertisements
प्रश्न
Calculate the mass of 0.1 mole of carbon dioxide.
[Atomic mass: S = 32, C = 12 and O = 16 and Avogadro's number = 6 × 1023]
Advertisements
उत्तर
1 mole of carbon dioxide weighs = 44 g
0.1 mole of carbon dioxide weighs = 4.4 g
APPEARS IN
संबंधित प्रश्न
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 :
A mole represents an .............. number of particles of a substance.
Fill in the following blanks :
60 g of carbon element are .............. moles of carbon atoms.
Fill in the following blanks :
0.5 mole of calcium element has a mass of ............... .
Which of the following pair of elements represents a mole ratio of 1 : 1 ?
Deduce the number of molecules of the following compound in the given quantity.
32g oxygen
What mass of Ca will contain the same number of atoms as are present in 3.2 g of S?
Calculate the number of moles in 7g of nitrogen.
How many grams are there in the following?
5 moles of sulphur molecule, S8
The number of atoms present in 0.1 mole of P4 (at. mass = 31) is ______.
