Question
What is the number of oxygen atoms present in 5 moles of sulphuric acid (H2SO4)?
Answer: Option A
:
A
The molecular formula of sulphuric acid isH2SO4 .
Onemolecule ofH2SO4has 4 atoms of oxygen. So, one mole of sulphuric acid will have 4 moles of oxygen. Therefore, 5 moles of sulphuric acid will have
4× 5 = 20moles of oxygen atoms.
One mole of any substance will have6.022×1023particles of that substance. Hence, thetotal numberof oxygen atoms in 5 moles ofH2SO4
=20×6.022×1023
=120.44×1023 atoms.
Was this answer helpful ?
:
A
The molecular formula of sulphuric acid isH2SO4 .
Onemolecule ofH2SO4has 4 atoms of oxygen. So, one mole of sulphuric acid will have 4 moles of oxygen. Therefore, 5 moles of sulphuric acid will have
4× 5 = 20moles of oxygen atoms.
One mole of any substance will have6.022×1023particles of that substance. Hence, thetotal numberof oxygen atoms in 5 moles ofH2SO4
=20×6.022×1023
=120.44×1023 atoms.
Was this answer helpful ?
More Questions on This Topic :
Question 6.
What does the abbreviation amu stand for?
....
Question 7.
Atomicity of oxygen molecule is 1.
....
Submit Solution