MATERIALS USED test tube + effervescent tablet + 10 mL water MASS BEFORE REACTION 36.55g MASS AFTER REACTION 35.95g

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter7: Statistical Data Treatment And Evaluation
Section: Chapter Questions
Problem 7.21QAP
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The data table is from a lab in which an effervescent tablet is added to a test tube of water.  
This produced a solution that fizzes and releases gas bubbles that escape into the air.
The total mass of the substances and the test tube were recorded before and after the tablet was added to the test tube of water. 

If matter is always conserved, how do you explain these results?

MATERIALS USED
test tube + effervescent
tablet + 10 mL water
MASS BEFORE
REACTION
36.55g
MASS AFTER
REACTION
35.95g
Transcribed Image Text:MATERIALS USED test tube + effervescent tablet + 10 mL water MASS BEFORE REACTION 36.55g MASS AFTER REACTION 35.95g
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