Chlorine in the concentration of about 0.355 ppm in aqueous solution is used as disinfectant. Which of the following is/are correct concentration(s) of chlorine being used as disinfectant?

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0.355 ppm ⇒ 1 0 6 g solution ⟶ 0.355 g Cl 2 ​ ​ 1 0 3 g solution → 1000 0.355 ​ g Cl 2 ​ ​ → 71000 0.355 ​ mole Cl 2 ​ ​ 1 litre solution → 5.0 × 1 0 − 6 M For infinitely diluted solution ⇒ M ∼ m 0.355 ppm = 355 ppb

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Options:(select one or more)

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