Question

there are 34 million gallons of water. 2.00x10^5 liters of chlorine gas are put into the water each day. water retains 2.2 ppm as residual chlorine. What mass (pounds) of chlorine leaves the plant each day (residual chlorine) in the drinking water?

Answer 1

ANS-:PPM = parts per million

PPM is a term used in chemistry to denote a very, very low concentration of a solution. One gram in 1000 ml is 1000 ppm and one thousandth of a gram (0.001g) in 1000 ml is one ppm. One thousanth of a gram is one milligram and 1000 ml is one liter, so that 1 ppm = 1 mg per liter = mg/Liter.

eW ift tpl Date: Page 3. 78541 L (Exha Knoulege Gallen 34 million meanA 34,000,000 gallenh 34,000,000 x3-28s4 128704000 66 L (2)total Amamat chlaine L 2x 1 ed tn plant IN SEAR Residual chlaine 2-2m swe know that a 221 1 PPm 1 nate Yelain 2.2 mg /L Chlaine apt 1 L Chlarine reidkal 22 mg 2X105 Chial latt = 20.2X2 X j0 cherine Yesidual 4.4X(o5 g chaina Cresidal) ASVA= Parmds -2.20462 XIO- XTOS 4.4X2-26 462 4.4 x io5 Now X 1o ands 0.93 Pamds 9.7 OR 1 201