a.b.A student records the following data in the laboratory when determining the percentage ofwater in an unknown hydrate.Mass of containerMass of container and hydrateMass of container and contents after:Pirst heating47.952 %49.837 %49.500 %Second heatingThird heatingWhat is the percentage of water in this student's unknown?Based on the values obtained in the three heating's above, do you think the student shouldhave confidence in his results? Why? What do you think he should do to be moreconfident in his result?48.918 g48.811 g

Answer: When we heat a compound that contains water of crystallization in its structure, it loses…

A student records the following data in the laboratory when determining the percentage of water in an unknown hydrate. Mass of container Mass of container and hydrate Mass of container and contents after: Pirst heating 47.952 % 49.837 % 49.500 % Second heating Third heating a. What is the percentage of water in this student's unknown? b. Based on the values obtained in the three heating's above, do you think the student should have confidence in his results? Why? What do you think he should do to be more confident in his result? 48.918 g 48.811 g

A student records the following data in the laboratory when determining the percentage of water in an unknown hydrate. Mass of container Mass of container and hydrate Mass of container and contents after: Pirst heating 47.952 % 49.837 % 49.500 % Second heating Third heating a. What is the percentage of water in this student's unknown? b. Based on the values obtained in the three heating's above, do you think the student should have confidence in his results? Why? What do you think he should do to be more confident in his result? 48.918 g 48.811 g

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...

See similar textbooks

Similar questions

Complete the following questions using 6 iron (Fe) atoms for each request. a. Draw, on the particulate level, the solid, liquid, and gas phases of 6 Iron (Fe) atoms in each phase. a1.10 bu aid E b. Write the chemical equation (symbolic representation) of iron changing from a gas phase to a liquid phase. c. Describe what you would observe while watching iron change from a liquid phase to a solid phase.
If you purchase 1 bottle of 120 tablets of 650. mg sodium bicarbonate in the pharmacy aisle (the cheapest I found was $4.99), you are paying a significant amount of money for the bottling, capsuling and mark-up. You can purchase for $28.99 at www.amazon.com 30.0 pounds of sodium bicarbonate. How many bottles of tablets can you make out of the 30.0 lbs of NaHCO3 if you already have the capsules, labeling and bottles? If you are able to sell each bottle for $4.99 , once subtracting the $28.99 for the cost of the sodium bicarb, what is the gross profit before other bills?
Determine the amount of potassium chloride in each solution. 28.2 kg of a solution containing 16.7 % KCl by mass Express your answer in kilograms using three significant figures. kg
Brass is a combination of copper and zinc in different percentages. What mass of copper is contained in 25.0 g of brass with 68.5% copper
Report 2 decimal places for all your answers. Do NOT include units in your answer. BaCl₂ H₂O 208.23 Mass of anhydrous BaCl₂ (amu) Mass of H₂O molecules in Hydrate (amu) Mass of Hydrate (amu) Percent H₂O in Hydrate (%) O BaCl 208.23 0.00 At n 208.23 plete the table. 0.00 % 18.02 226.25 7.97% Select one: O a. BaCl, • H2O O b. BaClz • 2 H2O O c. BaCl2 • 3 H2O O d. The data is inconclusive: it could be either BaCl₂ H₂O OR BaCl₂.2 H₂O O e. The data is inconclusive: it could be either BaCl₂ 2 H₂O OR BaCl₂ 3 H₂O BaCl₂ 2 H₂O 208.23 51°F 36.04 244.27 14.8 0 % Compare the experimental percent water you calculated for the barium chloride hydrate in the Question 6 in this assignment (above) with the theoretical percent water values calculated from the possible formulas in the table above. Do you think that the formula for hydrate is BaCl₂ H₂O, BaCl₂ 2 H₂O, or BaCl₂3 H₂O? End BaCl₂ 3 H₂O 208.23 PgUp 54.06 262.29 20.6 40) % J 6 Manage 9:44 PM 10/9/2022 PgDn
Assume that the mass of impure acetanilide is 1.748 g. and the mass of recrystallized acetanilide is 1.272 g. Calculate the percent recovery. Calculate your answer to 2 decimal places. Remember the units!
Lab students need to make 2.00 kg of 3.00 % ethanol in water. What mass of ethanol must they use
Macmillan Learning A solution of CaCl₂ in water forms a mixture that is 28.5% calcium chloride by mass. If the total mass of the mixture is 631.1 g, what masses of CaCl, and water were used? mass of CaCl₂: mass of water: g g
Ocean water contains 3.4 sodium chloride by mass. What made of ocean water in gram contains 13.2 g of sodium chloride?
Determine the mass of the sample based on the following data to two decimal places mass of crucible and cover 50.01 mass of crucible, cover, and sample before heating 51.05 mass of crucible, cover, and sample after heating 50.83
Calculate the mass of each sample. Part A 17.6 mol HNO3 Express your answer with the appropriate units. HẢ m(HNO3) = Value Units Submit Request Answer Part B 1.88 x10-3 mol H2S Express your answer with the appropriate units. HA m(H2S) = Value Units Submit Request Answer P Type here to search
I am allowed to work with someone I just don’t understand this Using the Volumetric Pipet Data from Part C calculate the