Advertisements
Advertisements
Question
From the equation for burning of hydrogen and oxygen
\[\ce{2H2 + O2 -> 2H2O}\] (Steam)
Write down the number of mole (or moles) of steam obtained from 0.5 moles of oxygen.
Advertisements
Solution
\[\ce{2H2 + O2 -> 2H2O}\] (steam)
1 mole of Oxygen gives = 2 moles of steam
so, 0.5 mole oxygen will give = 2 × 0.5 = 1 mole of steam
APPEARS IN
RELATED QUESTIONS
Calculate the molar mass of the following substance:
Phosphorus molecule, P4 (atomic mass of phosphorus = 31)
Calculate the molar mass of the following substance:
Sulphur molecule, S8
How many atoms are there in 0.25 mole of hydrogen ?
What is meant by ‘a mole of carbon atoms’ ?
Fill in the blank
Avogadro's number is equal to ______
Find the number of molecules in 3.2 g of SO2.
Calculate the number of atoms in the following:
52 moles of He
Solid ammonium dichromate decomposes as:
\[\ce{(NH4)2Cr2O7 -> N2 + Cr2O3 + 4H2O}\]
If 63 g of ammonium dichromate decomposes. Calculate the quantity in moles of (NH4)2Cr2O7.
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 |
Raunak took 5 moles of carbon atoms in a container and Krish also took 5 moles of sodium atoms in another container of same weight.
- Whose container is heavier?
- Whose container has more number of atoms?
