Age           Weight(kg)     Sodium(mg)     Chloride(mg)    Potassium(mg)

0-5 (months)     4.5          120             180             500 

6-11             8.9          200             300             700    

1 (year)        11.0          225             350           1,000

2-5             16.0          300             500           1,400

6-9             25.0          400             600           1,600

10-18           50.0          500             750           2,000

>18             70.0          500             750           2,000