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
Calculate the molar mass of the following substance:
Sulphur molecule, S8
Calculate the molar mass of the following substance:
Hydrochloric acid, HCl
Fill in the blank
One gram atom of an element contains ______ atoms.
Find the number of molecules in 73 g of HCl.
Find the number of molecules in 1.8 g of H2O.
Calculate the number of moles of CO2 which contain 8.00 g of O2
What mass of Ca will contain the same number of atoms as are present in 3.2 g of S?
Calculate the number of oxygen atoms in 0.10 mole of Na2CO3.10H2O.
N2 + 3H2 → 2NH3
(The atomic mass of nitrogen is 14, and that of hydrogen is 1)
1 mole of nitrogen (______ g) +
3 moles of hydrogen (______ g) →
2 moles of ammonia (______ g)
Calculate the number of moles in 27g of Al.
