Jaylaz4663 Jaylaz4663
  • 16-04-2022
  • Chemistry
contestada

What is the concentration in ppm of sodium fluoride in tap water that has been fluoridated by the addition of 32 mg of naf for every 20 kg of solution?.

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indrawboy
indrawboy indrawboy
  • 16-04-2022

ppm = mg/l = mg/kg

32 mg / 20 kg = 1.6 ppm

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