Practice Problem: Gravimetric Analysis
Interactive Video
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Quizizz Content
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Chemistry, Science, Physics
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11th Grade - University
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Hard
03:47
5 questions
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1.
Multiple Choice
What is the main objective of the gravimetric analysis problem introduced in the video?
To measure the density of barium nitrate
To calculate the solubility of calcium sulfate
To find the percentage of calcium sulfate in a solid mixture
To determine the molar mass of barium sulfate
2.
Multiple Choice
Why is it necessary to convert the mass of barium sulfate to moles during stoichiometry?
Because mass is not a reliable measurement
Because moles allow for direct comparison in chemical reactions
Because moles are a unit of volume
Because moles are easier to measure
3.
Multiple Choice
What is the molar mass of barium sulfate used in the stoichiometry calculations?
0.6168 grams per mole
233.38 grams per mole
0.4550 grams per mole
136.14 grams per mole
4.
Multiple Choice
How is the mass of calcium sulfate in the solution determined?
By calculating the density of the solution
By using the moles of barium sulfate precipitate
By using the initial mass of the solid mixture
By measuring the volume of the solution
5.
Multiple Choice
What percentage of the original solid mixture was found to be calcium sulfate?
50.00%
25.00%
79.08%
100.00%
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