Analytical Chemistry

2.7. With KSCN 3  blood red Fe 3+ + 3KSCN = Fe(SCN) + 3K + Fe(SCN) 3 + 3KSCN = K 3 [Fe(SCN) 6 ] dissolves blood red 2.8. With K 3 [Fe(CN) 6 ] 3 6 3 6 2  Turbine Green 3Fe 2+ + 2K [Fe(CN) ] = Fe [Fe(CN) ] + 6K + 2.9. With K 4 [Fe(CN) 6 ] 4 6 4 6 3  hazel 4Fe 3+ + 3K [Fe(CN) ] = Fe [Fe(CN) ] ...

6.3. Calibrating the pipette volume Measure the temperature of the distilled water, fill the pipette to the mark, then pour the water back into the previously weighed beaker. Cover the beaker and weigh it on an analytical balance. Repeat the experiment at least twice and take the average value. ...