Calculate the moles of anhydrous (dry) KAl(SO4)2 that were present in the sample. Show all work to answer this question by uploading an image of your calculations into Photo 2. Calculate the ratio of moles of H2O to moles of anhydrous KAl(SO4)2. Show all work to answer this question by uploading an image of your calculations into Photo 3. Note: Report the ratio to the closest whole number. Write the empirical formula for the hydrated KAl(SO4)2, based on your experimental results and answer to Question 2. Show all work to answer this question by uploading an image of your calculations into Photo 4. Describe any visual differences between the hydrated sample and the dried, anhydrous form. How would the following errors affect the empirical formula for the compound? a. The student ran out of time and did not do the second heating. Explain how this error will affect the calculation for the number of moles of water in the hydrate? Will the final answer be artificially high or low? How do you know? b. The student recorded the mass of the cup + sample incorrectly and started with 2.2 g of hydrated compound but used 2.0 g in the calculations. Explain how this error will affect the calculation for the number of moles of water in the hydrate? Will the final answer be artificially high or low? How do you know?

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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Question

Calculate the moles of anhydrous (dry) KAl(SO₄)₂ that were present in the sample. Show all work to answer this question by uploading an image of your calculations into Photo 2.
Calculate the ratio of moles of H₂O to moles of anhydrous KAl(SO₄)₂. Show all work to answer this question by uploading an image of your calculations into Photo 3. Note: Report the ratio to the closest whole number.
Write the empirical formula for the hydrated KAl(SO₄)₂, based on your experimental results and answer to Question 2. Show all work to answer this question by uploading an image of your calculations into Photo 4.
Describe any visual differences between the hydrated sample and the dried, anhydrous form.
How would the following errors affect the empirical formula for the compound? a. The student ran out of time and did not do the second heating. Explain how this error will affect the calculation for the number of moles of water in the hydrate? Will the final answer be artificially high or low? How do you know? b. The student recorded the mass of the cup + sample incorrectly and started with 2.2 g of hydrated compound but used 2.0 g in the calculations. Explain how this error will affect the calculation for the number of moles of water in the hydrate? Will the final answer be artificially high or low? How do you know?

Important
Karına
3. Write the
to answer th
Experiment 2
EE Data Table 2
Photo 2
Photo 3
Photo 4
Data Table 2: Alum Data
Object
Mass (g)
Aluminum
2.4 g
Cup
(Empty)
Aluminum
4.4 g
Cup + 2.0
grams of
Alum
Aluminum
3.6 g
Cup +
Alum
After 1st
Heating
Aluminum
3.4 g
Cup +
Alum
After 2nd
Heating
Mass of
0.6 g
Released
H2O
Molar
1.3 g
mass of
H2O
Moles of
18.006 g
Released
H20
P Type here to search
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