Air contains 21% of oxygen by volume. The number of moles of O_(2) present in 5L of air at STP conditions

Air contains 21% of oxygen by volume. The number of moles of O_(2) pre

1.	Air contains 21% of oxygen by volume. The number of moles of O_(2) present in 5L of air at STP conditions
Answer» <html><body><p>`<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>.23xx10^(-<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>)`<br/>`<a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a>.68xx10^(-4)`<br/>`4.68xx10^(-2)`<br/>`0.0234`</p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a></body></html>