Advertisements
Advertisements
प्रश्न
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 | - |
Advertisements
उत्तर
| Species Property | H2O | CO2 | Na atom | MgCl2 |
| No. of moles | 2 | 0.5 | 5 | 0.5 |
| No. of particles | 1.2044 × 1024 | 3.011×1023 | 5×6.022 x1023 = 3.011 x 1024 | 0.5 x6.022 x 1023 x 3 = 9.033 x 1023 |
| Mass | 36g | 22g | 115 g | 47.5g |
APPEARS IN
संबंधित प्रश्न
Convert into mole.
12 g of oxygen gas
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.
How many moles are represented by 100 g of glucose, C6H12O6 ? (C = 12 u, H = 1 u, O = 16 u)
The ratio of moles of atoms in 12 g of magnesium and 16 g of sulphur will be :
The equation for the burning of octane is:
\[\ce{2C8H18 + 25O2 -> 16CO2 + 18H2O}\]
How many moles of carbon dioxide are produced when one mole of octane burns?
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 or explain the term:
Relative atomic mass
Calculate the number of moles of CO2 which contain 8.00 g of O2
The visible universe is estimated to contain 1022 stars. How many moles of stars are present in the visible universe?
Deduce the number of molecules of the following compound in the given quantity.
8.8g carbon dioxide
