A sample of oxygen consists of three isotopes O - 16, O - 17 and O - 18 in the relative abundance of 99.76 %, 0.04 % and 0.20 % respectively. What is the average atomic mass of oxygen ?

A sample of oxygen consists of three isotopes O - 16, O - 17 and O - 1

1.	A sample of oxygen consists of three isotopes O - 16, O - 17 and O - 18 in the relative abundance of 99.76 %, 0.04 % and 0.20 % respectively. What is the average atomic mass of oxygen ?
Answer» <html><body><p><br/></p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/according-366619" style="font-weight:bold;" target="_blank" title="Click to know more about ACCORDING">ACCORDING</a> to available data : <br/> <a href="https://interviewquestions.tuteehub.com/tag/average-13416" style="font-weight:bold;" target="_blank" title="Click to know more about AVERAGE">AVERAGE</a> <a href="https://interviewquestions.tuteehub.com/tag/atomic-2477" style="font-weight:bold;" target="_blank" title="Click to know more about ATOMIC">ATOMIC</a> mass of oxygen `= 16 <a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a> 0.9976 + 17 xx0.0004 + <a href="https://interviewquestions.tuteehub.com/tag/18-278913" style="font-weight:bold;" target="_blank" title="Click to know more about 18">18</a> xx 0.002` <br/> `= 15.9616 + 0.0068 + 0.036 = 16.004 u`.</body></html>