PART 3A Volumetric Flask+ AС —ALI50SOAA 50-mL volumetric flask measures a volume of 50.00 mL. In this experiment, we want to show thatthis is true. 50.00 mL is the actual volume measured by this volumetric flask.EXPERIMENT:The mass of an empty volumetric flask is measured.Then water is added to the volumetric flask and the meniscus is adjusted to be at the correctlevel.Then the mass of the volumetric flask and the water is measured.Finally, the temperature of the water in the volumetric flask is measured.RESULTS:Mass of empty volumetric flask = 37.04 gMass of volumetric flask and water = 86.83 gTemperature of the water in the volumetric flask = 23°C4Densities of water at different temperatures:Density of Water at Different Temperatures(g/cm)Temp, °CDensityTemp, °CDensityTemp, °CDensity180.99862210.99802240.99733190.99844220.99780250.99708200.99823230.99757260.99681(a) Using the mass of the water measured and the density of the water, calculate the experimentalvolume of the water measured with the volumetric flask.Show all your calculations.(b) Calculate the experimental error.(c) In general, what does an experimental error tell us about the measurement?(d) Look at the two volumetric flasks shown above. The pictures show labels of A, B and C.What do you think A, B and C indicate?A = ?B = ?C = ?(e) Name two pieces of equipment which we should use to add a substance into a volumetric flask:(f) How should we adjust the meniscus in the volumetric flask?(g) Look at the densities of water in the table above. What is the density of water at 22°C intwo significant figures?(h) What is 20°C in K?

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A 50-mL volumetric flask measures a volume of 50.00 mL. In this experiment, we want to show that this is true. 50.00 mL is the actual volume measured by this volumetric flask. ΕXPERIΜΕNT: The mass of an empty volumetric flask is measured. Then water is added to the volumetric flask and the meniscus is adjusted to be at the correct level. Then the mass of the volumetric flask and the water is measured. Finally, the temperature of the water in the volumetric flask is measured. RESULTS: Mass of empty volumetric flask = 37.04 g Mass of volumetric flask and water = 86.83 g Temperature of the water in the volumetric flask = 23°C 4 Densities of water at different temperatures: Density of Water at Different Temperatures (g/cm?) Density 0.99862 Temp, °C Density Temp, °C Density Temp, °C 18 21 0.99802 24 0.99733 19 0.99844 22 0.99780 25 0.99708 20 0.99823 23 0.99757 26 0.99681 (a) Using the mass of the water measured and the density of the water, calculate the experimental volume of the water measured with the volumetric flask. Show all your calculations. (b) Calculate the experimental error. (c) In general, what does an experimental error tell us about the measurement?

A 50-mL volumetric flask measures a volume of 50.00 mL. In this experiment, we want to show that this is true. 50.00 mL is the actual volume measured by this volumetric flask. ΕXPERIΜΕNT: The mass of an empty volumetric flask is measured. Then water is added to the volumetric flask and the meniscus is adjusted to be at the correct level. Then the mass of the volumetric flask and the water is measured. Finally, the temperature of the water in the volumetric flask is measured. RESULTS: Mass of empty volumetric flask = 37.04 g Mass of volumetric flask and water = 86.83 g Temperature of the water in the volumetric flask = 23°C 4 Densities of water at different temperatures: Density of Water at Different Temperatures (g/cm?) Density 0.99862 Temp, °C Density Temp, °C Density Temp, °C 18 21 0.99802 24 0.99733 19 0.99844 22 0.99780 25 0.99708 20 0.99823 23 0.99757 26 0.99681 (a) Using the mass of the water measured and the density of the water, calculate the experimental volume of the water measured with the volumetric flask. Show all your calculations. (b) Calculate the experimental error. (c) In general, what does an experimental error tell us about the measurement?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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O MEASUREMENT Adding or subtracting and multiplying or dividing measurements A chemistry student must write down in her lab notebook the concentration of a solution of sodium hydroxide. The concentration of a solution equals the mass of what's dissolved divided by the total volume of the solution. Here's how the student prepared the solution: • The label on the graduated cylinder says: empty weight: 1.5 g • She put some solid sodium hydroxide into the graduated cylinder and weighed it. With the sodium hydroxide added, the cylinder weighed 36.669 g. • She added water to the graduated cylinder and dissolved the sodium hydroxide completely. Then she read the total volume of the solution from the markings on the graduated cylinder. The total volume of the solution was 37.11 mL. What concentration should the student write down in her lab notebook? Be sure your answer has the correct number of significant digits. g mL Explanation -1 Check 99+ 0/5 VUDU © 2023 McGraw Hill LLC. All Rights…