1000g of a water sample contained a calcium salt equivalent to 18 of CaSO_(4) The hardness of that water sample is

1000g of a water sample contained a calcium salt equivalent to 18 of C

1.	1000g of a water sample contained a calcium salt equivalent to 18 of CaSO_(4) The hardness of that water sample is
Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/100-263808" style="font-weight:bold;" target="_blank" title="Click to know more about 100">100</a> ppm<br/>500 ppm<br/>1000 ppm<br/>220,000 ppm</p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/hardness-14971" style="font-weight:bold;" target="_blank" title="Click to know more about HARDNESS">HARDNESS</a> `=("solute <a href="https://interviewquestions.tuteehub.com/tag/weight-1451304" style="font-weight:bold;" target="_blank" title="Click to know more about WEIGHT">WEIGHT</a>")/("solution weight")xx10^(6)`</body></html>