Level Burette Readings cm3 CBR Y cm3 Standard Deviation Amount of KNO2 found
1 2 3
Final 11.20 11.20 11.20   11.20   0.00   1.1 g
Initial 0.00 0.00 0.00
Difference 11.20 11.20 11.20
Table 4c: For potassium nitrite (Stock solution: 1.1 g/250 cm3): Pilot Reading 11.00 to 12.00 cm3