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aThe proper pH range for a swimming pool is between 7.2 and 7.8. Most pools use two substances, Na2CO3and HCL, to maintain this range. How would you adjust the pH if you found it was 8.2? 6.9?

Respuesta :

  if it was low, add some sodium carbonate. if it was high, add some HCl.

I think actually they use HOCl and HCl (available chlorine). You get this when you bubble Cl2 in water.

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