Mole Chalk Mini-Lab

Quiz
•
Science
•
11th Grade
•
Hard
+2
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which is the best description of Avogadro’s number?
Avogadro’s number varies depending on the substance
Avogadro’s number can be calculated using the percent mass formula.
Avogadro’s number is equivalent to the number of moles in a substance.
Avogadro’s number does not vary depending on the substance. It is a constant.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary purpose of a Mole Chalk Mini-Lab?
To measure the mass of chalk
To determine the number of moles in a sample of chalk
To calculate the density of chalk
To observe the color change in chalk
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a Mole Chalk Mini-Lab, which chemical reaction is typically observed?
Combustion of chalk
Decomposition of chalk
Neutralization of chalk
Sublimation of chalk
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a piece of chalk has a mass of 5 grams, how many moles of chalk are present? (Molar mass of chalk is approximately 100 g/mol)
0.05 moles
0.5 moles
5 moles
50 moles
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a key concept demonstrated in a Mole Chalk Mini-Lab?
Conservation of mass
Conservation of energy
Conservation of momentum
Conservation of charge
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the chemical formula for chalk?
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
During the Mole Chalk Mini-Lab, what is the significance of measuring the mass of chalk before and after the experiment?
To calculate the change in volume
To determine the number of moles reacted
To find the density of chalk
To observe the color change
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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