Advertisements
Advertisements
प्रश्न
How many grams are there in the following?
4 moles of the phosphorous molecule, P4
उत्तर
Formula = No. of moles (n) × (Gram molecular mass)
4 moles of the phosphorous molecule, P4
Mass of 1 mole of phosphorous molecule = 30.97 g
Mass of 4 moles of phosphorous molecules = 30.97 × 4 = 123.88 g.
APPEARS IN
संबंधित प्रश्न
Which has more number of atoms, 100 grams of sodium or 100 grams of iron (given, atomic mass of Na = 23 u, Fe = 56 u)?
What is the mass of 1 mole of nitrogen atoms?
Convert into mole.
20 g of water
What is the mass of 0.2 mole of oxygen 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]
The percentage composition of a gas is Nitrogen 82.35%, Hydrogen 17.64%. Find the empirical formula of the gas. [N = 14, H = 1]
Show by means of calculations that 5 moles of CO2 and 5 moles of H2O do not have the same mass. How much is the difference in their masses ?
Calculate the number of moles and number of molecules present in 1.4 g of ethylene gas. What is the volume occupied by the same amount of ethylene?
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?
If phosphorus is considered to contain P4 molecules, then calculate the number of moles in 100g of phosphorus?
