One student calibrated a 50-mL burette by using the mass of water delivered. The student used an analytical balance which was previously calibrated by STEEL (density = 7.8 g/mL). During calibration, the temperature of water was found to be 19.0oC. The density of water at this temperature is 0.9984 g/mL. The results of the calibration by the student is shown in the table below:

Question

One student calibrated a 50-mL burette by using the mass of water delivered. The student used an analytical balance which was previously calibrated by STEEL (density = 7.8 g/mL). During calibration, the temperature of water was found to be 19.0oC. The density of water at this temperature is 0.9984 g/mL. The results of the calibration by the student is shown in the table below:
                                                  A           B           C          D          E
Apparent burette reading, mL 10.05    20.04    30.08    40.07    49.98
Weight H2O delivered, g        10.03     20.09    30.05    40.02   49.83

What is the true mass of water delivered in A?
What is the true volume of water delivered in A?
What is the correction volume of water delivered in C?