84. Solving a chemistry problem
Based on the composition of the solution, it is necessary to theoretically substantiate the values of pH, buffer capacity, electrical conductivity, osmolarity
NaCl - about 34 g/l
Na2SO4 - about 75 g/l
NaHCO3 - about 3.6 g/l
H2CO3 - ? but about pH= 7.3
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