
Molar Mass and Conversion Techniques
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Lucas Foster
FREE Resource
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial amount of moles of KBr mentioned in the video?
4.75 moles
3.50 moles
2.35 moles
1.25 moles
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in converting moles to grams?
Subtract the atomic number
Multiply by the molar mass
Add the atomic mass
Divide by the atomic mass
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the molar mass of a compound?
By dividing the atomic masses
By subtracting the atomic numbers
By multiplying the atomic numbers
By adding the atomic masses from the periodic table
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molar mass of KBr used in the conversion?
100.00 grams per mole
119.00 grams per mole
150.00 grams per mole
200.00 grams per mole
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final result of converting 2.35 moles of KBr to grams?
200.00 grams
250.00 grams
300.00 grams
279.65 grams
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What units are used for the molar mass in the conversion process?
Grams per liter
Moles per gram
Liters per mole
Grams per mole
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final step in the conversion process?
Subtracting the atomic mass
Dividing by the molar mass
Multiplying by the molar mass
Adding the atomic number
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