1 ml of 1 M solution is mixed with 999 ml of pure water.

1.	1 ml of 1 M solution is mixed with 999 ml of pure water.
Answer» <html><body><p>`10^(-3)` M solution is formed <br/>The mass of <a href="https://interviewquestions.tuteehub.com/tag/solute-1217068" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTE">SOLUTE</a> per ml <a href="https://interviewquestions.tuteehub.com/tag/decreases-946143" style="font-weight:bold;" target="_blank" title="Click to know more about DECREASES">DECREASES</a> by <a href="https://interviewquestions.tuteehub.com/tag/1000-265236" style="font-weight:bold;" target="_blank" title="Click to know more about 1000">1000</a> times<br/>The quantity of solute <a href="https://interviewquestions.tuteehub.com/tag/decrease-946104" style="font-weight:bold;" target="_blank" title="Click to know more about DECREASE">DECREASE</a> in the solution<br/>10 ml of resultant solutoin contains `10^(-5)` moles of solute </p>Solution :`M_(1)V_(1)=M_(2)V_(2)` <br/> `1xx1=M_(2)xx1000=M_(2)=10^(-3)M` <br/> 10 ml contains `(10)/(1000)xx10^(-3)` moles `=10^(-5)` moles Quantity of solute in solution remains same but mass of solute/ml decreases by `10^(3)` times</body></html>

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