Advertisements
Advertisements
प्रश्न
How many grams are there in the following?
4 moles of the phosphorous molecule, P4
Advertisements
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
Calculate the molar mass of the following substance:
Ethyne, C2H2
Calculate the molar mass of the following substance:
Phosphorus molecule, P4 (atomic mass of phosphorus = 31)
Calculate the mole ratio of 240 g of calcium and 240 g of magnesium. (Ca = 40 u ; Mg = 24 u)
A flask contains 3.2g of sulphur dioxide.Calculate the following : The moles of sulphur dioxide present in the flask.
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?
Calculate the number of particles in 0.1 mole of any substance.
How many grams of HCl are present in 0.1 mole of it?
If phosphorus is considered to contain P4 molecules, then calculate the number of moles in 100g of phosphorus?
Four grams of caustic soda contains ______.
Correct the statement, if required.
Under the same conditions of temperature and pressure, equal volumes of all gases contain the same number of atoms.
