What is the reading in the pipette to the nearest 0.01 mL?
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What is the reading in the pipette to the nearest 0.01 mL? Bottom of meniscus
You are using a 10-ml blow-out pipette graduated in 1/10 ml. (Your pipette reads 0 at the highest marking on the stem.) You have sucked up 8.6 ml of liquid and you cannot put any back into the bottle even though you need to measure out only 6.5 ml. At what mark on the pipette is the meniscus of your liquid now located? If you release liquid from your pipette, at t what line should you stop? Draw the pipette...
QUESTION 5 When a p1000 pipette is set to 043 (read from top to bottom), the pipette will deliver: 43 mL 0 430 ML 4.3 L 0.043 mL
QUESTION 1 When a p20 pipette is set to 192 (read from top to bottom), the pipette will deliver: 192 ul. 0.00192 ml O 1.92 ml 0 19.2 HL
QUESTION 10 When a p20 pipette is set to 192 (read from top to bottom), the pipette will deliver: O 192 ul 0.00192 ml 1.92 mL 19.2 ul Click Save and Submit to save and submit. Click Save All Answers to save all answers.
21. How can you make the meniscus more observable if you are having difficulty reading your buret? 22. 1.0 mL of 1.0 M HCl is added to 100 mL of a sample of pure water? 1.0 mL of 1.0M HCI is also added to 100 mL of a sample of a buffer solution. Which sample will have the greater change in pH? Explain.
10. a) Report the volume (in mL) of liquid inside the graduated cylinder by reading the bottom of the meniscus (curved surface). 36.5 mL . b) What is the mass (in grams) of the liquid (d = 21.7 dg/ce) inside 881 the 50 mL graduated cylinder? de 88.188 g A ?g 50 mL graduated cylinder c) If all of the liquid inside the graduated cylinder was poured into the glass cup, what will the combined mass (in g) of both...
A 100-mL Class A pipette is certified to deliver 100.00 ± 0.05 mL. If the uncalibrated pipette is used three times to deliver 300 mL of solution. What is the uncertainty in 300 mL?
An experimental procedure asks you to measure 10 mL of a solution to the nearest 0.01 mL. Which type of glassware would you use to complete the task? Explain your answer. How should the number be recorded?
What is the pH (to nearest 0.01 pH unit) of a solution prepared by mixing 89.0 mL of 0.489 M HCl and 59.0 mL of 1.039 M NaOH? pH =
4. A student calibrates a 25-mL pipette by measuring the volume of the water it can transfer. The reading data are shown as follows (unit in mL): 24.75, 24.83, 24.87, 24.91, and 25.32 (a) Is there an outlier at the 95% confidence level? (b) Calculate the coefficient of variation based on the results from part (a). (c) Suppose the standard deviation of the liquid volume is 0.04 mL, how many replicate measurements would the student need to get 95% confidence...