20 mg of K^(o+) ions are present in 1 L of aqueous solution. Density of the solution is 0.8 mL^(-1). What is the concentration of K^(o+) ions in ppm?

20 mg of K^(o+) ions are present in 1 L of aqueous solution. Density o

1.	20 mg of K^(o+) ions are present in 1 L of aqueous solution. Density of the solution is 0.8 mL^(-1). What is the concentration of K^(o+) ions in ppm?
Answer» <html><body><p></p>Solution :Mass of `K^(o+)` ions `(W_(2)) = 20 <a href="https://interviewquestions.tuteehub.com/tag/mg-1095425" style="font-weight:bold;" target="_blank" title="Click to know more about MG">MG</a> = 20 xx 10^(-<a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a>) <a href="https://interviewquestions.tuteehub.com/tag/g-1003017" style="font-weight:bold;" target="_blank" title="Click to know more about G">G</a>` <br/> Mass of solution `= V_(sol) xx d_(sol) = 100 mL xx 0.8 g mL^(-1) = <a href="https://interviewquestions.tuteehub.com/tag/800-338448" style="font-weight:bold;" target="_blank" title="Click to know more about 800">800</a> g` <br/> `ppm = (W_(2) xx 10^(6))/(W_(sol)) = (20 xx 10^(-3) xx 10^(6))/(800) = 25 ppm`</body></html>