Question 1 Calculate the moles of anhydrous (dry) KAI(SO4)2 that were present in the sample. Show all work including units. B T² T₂ Question 2 Calculate the ratio of moles of H2O to moles of anhydrous KAI(SO4)2. Show all work including units. Note: Report the ratio to the closest whole number. BU T² T₂ 0 Word(s) 0 Word(s) Question 3 Write the empirical formula for the hydrated KAI(SO4)2, based on your experimental results and answer to Question 2. Show all work including units. Hint: if the ratio of moles of H2O to moles of anhydrous KAI(SO4)2 was 4, then the empirical formula would be: KAI(SO4)2⚫4H2O. BI U T² T₂ 0 Word(s) Object Aluminum Cup (Empty) Aluminum Cup + 2.0 grams of Alum Mass (g) 2.6 4.08 Aluminum 1.07 Cup + Alum After 1st Heating Aluminum Cup + Alum 1.01 After 2nd Heating Mass of 3.07 Released H₂O Molar mass of 18 H₂O Moles of 0.17 Released H₂O

Question 1 Calculate the moles of anhydrous (dry) KAI(SO4)2 that were present in the sample. Show all work including units. B T² T₂ Question 2 Calculate the ratio of moles of H2O to moles of anhydrous KAI(SO4)2. Show all work including units. Note: Report the ratio to the closest whole number. BU T² T₂ 0 Word(s) 0 Word(s) Question 3 Write the empirical formula for the hydrated KAI(SO4)2, based on your experimental results and answer to Question 2. Show all work including units. Hint: if the ratio of moles of H2O to moles of anhydrous KAI(SO4)2 was 4, then the empirical formula would be: KAI(SO4)2⚫4H2O. BI U T² T₂ 0 Word(s) Object Aluminum Cup (Empty) Aluminum Cup + 2.0 grams of Alum Mass (g) 2.6 4.08 Aluminum 1.07 Cup + Alum After 1st Heating Aluminum Cup + Alum 1.01 After 2nd Heating Mass of 3.07 Released H₂O Molar mass of 18 H₂O Moles of 0.17 Released H₂O

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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2:01 × 1. Calculate the molecular mass, in g/mol, of iron (II) sulfate heptahydrate. : work. Adipic acid contains: 49.32% C, 43.84% O, and 6.85% H by mass. What is the empirical formula for adipic acid? Hint: Percent to mass, Mass to mole, Divide by small, Multiple 'til whole Empirical Formula for Adipic acid = 3. What is the percentage composition of O in KCIO3? Hint: % Composition = (# atoms) x (Molar mass of compound) x 100% Molar Mass of Molecule 2.
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SCH3U V2 n = m n=N NA M Show all work and use proper significant digits. 1. Calculate the molecular mass, in g/mol, of iron (II) sulfate heptahydrate. Show your work. Adipic acid contains: 49.32% C, 43.84% O, and 6.85% H by mass. What is the empirical formula for adipic acid? Hint: Percent to mass, Mass to mole, Divide by small, Multiple 'til whole Empirical Formula for Adipic acid = 3. What is the percentage composition of O in KCIO3? Hint: % Composition = (# atoms) x (Molar mass of compound) x 100% Molar Mass of Molecule 2. I
P Pearson ion Inc. All rights reserved. | Terms of Use | Privacy Policy Permissions | Contact Us MacBook Air DII DD ) F7 F8 F9 F10 F11 F12 & t
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Can't figure out Moles of hydrogen gas produced (mol) I've received multiple answers (i.e., 7.686 x 10-4 & 8.455 x 10-4) both of which are wrong.
4) During Run 1 (heated to 200°C), do you think that the sodium bicarbonate turned into NaOH, Na20, or Na2CO3? What about during Run 2 (heated to 400°C)? Did they form the same product, or different products? Was this expected or unexpected? Explain briefly.
← X g 單 0 Priva Tern C My Account - MySam - Sam Hou X Content X Q mathway calculator - Search https://shsu.blackboard.com/ultra/organizations/_202946_1/cl/outline LI Lets start with the medical components. We need to determine how many units of the syringe connections can be made out of one metric ton of PEI, or around 2205 lbs of the plastic. X M Mathway | Basic Math Problem S X + 1 metric ton = 2205 lbs Starting material - PEI 1 metric ton ≈ 2205 lbs Calculation for number of units of each component: total weight of starting material PEI X Products Medical components Stopcock with Luer Connection, 1-way, male lock unit weight 2.72 g = 3/500 lbs 1 unit of medical component 1 weight of unit of component This calculation assumes all starting material is used during the production of the components. Medical components Products Stopcock with Luer Connection, 1-way, male lock unit weight 2.72 g 3/500 lbs Female Luer Lock 3/16" unit weight 0.63 g 7/5000 lbs Units = If necessary round to the…
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ck Calculate the molar mass for each of the following: esc BO 1 Q F1 A 2 F2 W S JUL 27 3 20 F3 E D $ 4 F4 R Part A C₂H4O2 Express your answer numerically in grams per mole to two decimal places. molar mass= Submit Part B molar mass - F Request Answer Al2(CO3)3 Express your answer numerically in grams per mole to one decimal place. % 5 VE ΑΣΦ Submit Request Answer F5 T V—| ΑΣΦ G Ç MacBook Air 6 F6 Y & 7 Útv H F7 2 U ∞ * ? ? J g/mole g/mole A F8 9 K