INSTRUCTIONS: Determine whether the given situations will have an effect on the calculated value of the response variabl

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Instructions Determine Whether The Given Situations Will Have An Effect On The Calculated Value Of The Response Variabl 1 (106.08 KiB) Viewed 16 times

INSTRUCTIONS: Determine whether the given situations will have an effect on the calculated value of the response variable indicated. Write INC for Increase, DEC for Decrease, NE for No Effect, and IE for Indeterminate Effect. In addition, provide an explanation as to why such an effect will occur. You are encouraged to explain using equations. Use NO MORE THAN 50 WORDS per item, anything beyond the limit will be disregarded. Submit a Word, Photo, or PDF file of your answers. (4 pts each item) Circumstance Response Variable 1. The pycnometer has an air bubble when the "Mass of pycnometer with water" was determined. Density of the coin 2. The pycnometer was bulging when the "Mass of pycnometer with water" was determined. Mass of coin 3. The volumetric flask was not dried completely in between each trial of calibration. Standard Deviation 4. Using someone else's pipet correction for your data Corrected volume 5. The pH meter used for potentiometry has a positive systematic bias of 0.3 units. Concentration of standardized NaOH 6. The phenolphthalein endpoint was over-titrated during the double indicator experiment. Amount of Na₂CO3 in the sample 7. The pipet used to transfer the sample for titration was blown out. Concentration of unknown as wt/vol in sample 8. The cola was not degassed properly. Concentration of phosphoric acid 9. Tap water was used to prepare the EDTA solution. Concentration of EDTA 10. Unfiltered tap water was used in preparing the food dye solutions for UV-vis Transmission value