Advertisements
Advertisements
प्रश्न
Fill in the following blanks :
60 g of carbon element are .............. moles of carbon atoms.
Advertisements
उत्तर
60g of carbon element are 5 moles of carbon atoms.
APPEARS IN
संबंधित प्रश्न
What is the mass of 1 mole of nitrogen atoms?
Choose the correct answer from the options given below:
The ratio between the number of molecules in 2g of hydrogen and 32g of oxygen is:
[Given that H = 1, O = 16]
How many moles are 3.6 g of water ?
Which of the following pair of elements represents a mole ratio of 1 : 1 ?
Define the term Relative atomic mass.
Define the term:
Avogadro’s number
Complete the following calculations. Show working for complete credit :
Calculate the mass of calcium that will contain the same number of atoms as are present in 3.2 gm of Sulphur. [Atomic masses : S = 32, Ca = 40]
Define the term:
Relative molecular mass
Fill in the missing data in the Table
| Species Property | H2O | CO2 | Na atom | MgCl2 |
| No. of moles | 2 | - | - | 0.5 |
| No. of particles | - | 3.011×1023 | - | - |
| Mass | 36g | - | 115 g | - |
If 0.2 mol of the following substance is required how many grams of that substance should be taken?
magnesium oxide
