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127. Solving a chemistry problem
Uploaded:
13.07.2022
Content: 97.rar 95,5 kB
Content: 97.rar 95,5 kB
Product description
97. Calculate the pH of the solution if 1) the degree of hydrolysis in 0.5 M CH3COONa is 3%
2) in 0.1 M Na3VO4 25%; 3) in 0.05 M KNO2 5%; 4) in 0.2 M Na2CO3 5%; 5) in 0.1 M Na3PO4 3%; 6) in 0.1 M Na3AsO4 2%; 7) in 1 M KCN 10%; 8) in 0.1 M Na2S 10%.
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