42. Решение задачки по химии №121

85. Calculate the mass fraction of the substance being determined in the analytical sample using the data in Table 4.
Table 4
Problem No.
Analyzed sample Determinable substance
Gravimetric
form
name,
formula weight, g formula
mass, g
85 Zinc citrate 2.100 Zn Zn2P2O7 0.0830

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