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
Number 1

Transcribed Image Text:10:34 1
Week 3 Pre-lab
1) How many moles of water are in two moles of magnesium
sulfate heptahydrate?
2) What piece of equipment is providing the heat for this
experiment?
3) What are you heating the sample in?
4) How long should you heat the sample?
5) Is it okay to weigh the sample hot?
6) How will you know it is okay to stop heating the sample?
7) Based on the following data table, determine the mass of
water evaporated, the mass of salt left over, and the moles of
water evaporated.
recorded
Step
mas
Empty vessel
28.956 g
filled with
31.256
hydrate
first burn
30.234
second burn
30.023
third burn
30.020
Expert Solution

Step 1
Since you have asked question #1, we will solve the same for you. If you want any specific question to be solved then please specify the question number or post only that question.
1.
The chemical formula of Magnesium sulfate heptahydrate is -
MgSO4.7H2O.
Given:
2 moles of Magnesium sulfate heptahydrate
Moles of water=?
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