This assignment explores the accuracy and precision of various pipettes (P-20, P-100, P-200, P-500, and P-5000) by measuring the weight of water dispensed. The experiment calculates the percentage error for each pipette compared to the expected weight, revealing that P-200 had the highest error (37.27%), while P-500 exhibited the lowest (9.02%). The findings emphasize the importance of accurate pipette calibration for reliable experimental results in biochemistry.