135. Solving a chemistry problem

135. Solving a chemistry problem

Determine % - the equivalent content in the solution of the following ions, given in weight form:
1-а Cl- - 106 g Ca - 40 g
SO4 - 96 g Mg - 24 g
HCO3 - 0 Na - 23 g

1-b Cl- - 35.5 g Ca - 30 g
SO4 - 120 g Mg - 18 g
HCO3 - 30.5 g Na - 23 g

Additional information:

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