Advertisements
Advertisements
Question
Prove the Following :
One mole of any gas contains th e same number of molecules.
Advertisements
Solution
Since by definition of a mole it is defined as the amount (mass) of a substance containing elementary particles like atoms, molecules or ions equal to Avogadro's number i .e. 6 .023 x 1023 so one mole of any gas contains th e same number of molecules.
APPEARS IN
RELATED QUESTIONS
What is the mass of 0.5 mole of water molecules?
How many moles of O2 are there in 1.20 × 1022 oxygen molecules ?
What is meant by ‘a mole of carbon atoms’ ?
Define the term Relative atomic mass.
Define the term:
Avogadro’s number
What do you understand by the term mole? How many elementary units are in one mole of a substance?
A sample of ammonium nitrate when heated yields 8.96 litres of steam (measured at STP)
NH4NO3 → N2O + 2H2O
What mass of ammonium nitrate should be heated to produce 8.96L of steam?
Define the term:
Mole
Match the following.
| 1. | 8 g of O2 | - | 4 moles |
| 2. | 4 g of H2 | - | 0.25 moles |
| 3. | 52 g of He | - | 2 moles |
| 4. | 112 g of N2 | - | 0.5 moles |
| 5. | 35.5 g of Cl2 | - | 13 moles |
If 0.2 mol of the following substance is required how many grams of that substance should be taken?
magnesium oxide
