12 ml of saturatedsolution .001gr of CaCO_(3) were required in the titration of 100 ml of water to produce a good lether its degree of hardness is

12 ml of saturatedsolution .001gr of CaCO_(3) were required in the tit

1.	12 ml of saturatedsolution .001gr of CaCO_(3) were required in the titration of 100 ml of water to produce a good lether its degree of hardness is
Answer» <html><body><p>100 ppm <br/>120 ppm<br/>60 ppm<br/>80 ppm </p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :In 1 ml0.001 g of `CaCO_3` is <a href="https://interviewquestions.tuteehub.com/tag/resent-7709084" style="font-weight:bold;" target="_blank" title="Click to know more about RESENT">RESENT</a><br/> <a href="https://interviewquestions.tuteehub.com/tag/12-269062" style="font-weight:bold;" target="_blank" title="Click to know more about 12">12</a> <a href="https://interviewquestions.tuteehub.com/tag/ml-548251" style="font-weight:bold;" target="_blank" title="Click to know more about ML">ML</a> = ` 12 xx 0.001 g = 0.012g` <br/> hardness = `0.012/100 xx 10^6 = 120` ppm</body></html>