Advertisements
Advertisements
Question
What is the mass of 0.2 mole of oxygen atoms?
Advertisements
Solution
Mass of one mole of oxygen atoms = 16 g
Then, mass of 0.2 mole of oxygen atoms = 0.2 × 16g = 3.2 g
APPEARS IN
RELATED QUESTIONS
Calculate the molar mass of the following substance:
Phosphorus molecule, P4 (atomic mass of phosphorus = 31)
Fill in the following blanks :
0.5 mole of calcium element has a mass of ............... .
Prove the Following :
One mole of any gas contains th e same number of molecules.
What is the value of Avogadro's number?
Calculate the weight of one molecule of oxygen.
[Avogadro’s number = 6 × 1023, O = 16 ]
Define or explain the term:
Relative atomic mass
Calculate the number of atoms in the following:
52 g of He
The molecular formula for elemental sulphur is S8.In a sample of 5.12 g of sulphur:
How many molecules and atoms are present?
Which of the following weighs the least?
Correct the statement, if required.
The relative atomic mass of an element is the number of times one molecule of an element is heavier than `1/12` the mass of an atom of C12.
