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Water hardness. Causes of water pollution

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  • Effect of soda on hard water? (formula)
    MgSO4+Na2CO3=MgCO3+Na2SO4
  • What is water hardness?
    Changes in water properties under the influence of Ca and Mg ions contained in water
  • equation when reacting with milk of lime
    Ca(HCO3)+Ca(OH)2->2CaCO3+2H2O
  • Hard water harms the body
    causes kidney, gallstone accumulation, cardiovascular diseases, damage to hair and facial skin
  • Why does limescale build up in household appliances?
    to hard water
  • What salts are included in permanent hardness?
    CaSO4,CaCl,MgCl2,MgSO4
  • How to remove permanent hardness
    effect of soda Na2CO3 MgSO4+Na2CO3->MgCO3+Na2SO4
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