The formula for alum is KAl(SO4)2  x 12 H2O. All of the atoms in this formula contribute to the molar mass. When you add up all the masses in the formula, the molar mass is 474.39 grams/mole. The molar mass of aluminum is 26.98.   If you started this experiment with 1.063 grams of aluminum foil, what is the theoretical yield      of  Alum? Give your answer to 1 decimal place.  __________________________   The actual yield of alum in the lab was 17.8 grams. What percentage yield is this? Give your       answer to 1 decimal place.

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...
icon
Related questions
Question

 

The formula for alum is KAl(SO4)2  x 12 H2O. All of the atoms in this formula contribute to the

molar mass. When you add up all the masses in the formula, the molar mass is 474.39

grams/mole. The molar mass of aluminum is 26.98.

 

  1. If you started this experiment with 1.063 grams of aluminum foil, what is the theoretical yield

     of  Alum? Give your answer to 1 decimal place.  __________________________

 

  1. The actual yield of alum in the lab was 17.8 grams. What percentage yield is this? Give your

      answer to 1 decimal place.  ____________________________

Expert Solution
Step 1

Formula for alum  KAl(SO4)2 . 12 H2O

formula mass of alum = 474.39 gmol

molar mass of aluminium =26.98g /mol

trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Matter
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY