

InterviewSolution
Saved Bookmarks
1. |
4.28g of NaOH is dissolved in water and the solution is made to 250 cc. what will be the molarity of the solution ? |
Answer» <html><body><p>0.615 mol `<a href="https://interviewquestions.tuteehub.com/tag/l-535906" style="font-weight:bold;" target="_blank" title="Click to know more about L">L</a>^(-<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/>0.428 mol `L^(-1)`<br/>0.99 mol `L^(-1)` <br/>0.301 mol `L^(-1)`<br/></p>Solution :No. moles of `<a href="https://interviewquestions.tuteehub.com/tag/naoh-572531" style="font-weight:bold;" target="_blank" title="Click to know more about NAOH">NAOH</a> =(4.28)/(40)=0.107` ltbr. <a href="https://interviewquestions.tuteehub.com/tag/volumeof-3265347" style="font-weight:bold;" target="_blank" title="Click to know more about VOLUMEOF">VOLUMEOF</a> solution `=250cm^3` <br/> `M=n/(V("in L"))=(0.107)/(250)xx1000=0.428mol L^(-1)`</body></html> | |