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Rock, Paper, Conservation
Test Description: A test of your knowledge of Stoichiometry.
Instructions: Answer all questions to get your test result.
1) This number is known as _____ number.
A
Avacado’s
B
Suess’s
C
Eldorado’s
D
Avogadro’s
2) What is the saying used to remember Avogadro’s number ?
A
6:22 am on October 25
B
October 23 at 6:22 am
C
October 23 at 6:02 pm
D
6:22 pm on October 20
3) The Greek word for element is _____.
A
episteme
B
stoicheion
C
acropolis
D
elementra
4) What law is used in Stoichiometry?
A
Law of Conservation of Mass
B
Law of Motion
C
Law of Conservation of Matter
D
Law of Conservation of Moles
5) Avogadro’s law states that ideal gases should have the same______.
A
volume
B
temperature and pressure
C
All
D
molecules
6) What is the total number of atoms represented in the formula CuSO4 * 5H2O
A
8
B
13
C
21
D
27
7) The coefficients in a chemical equation represent the
A
number of valence electrons involved in the reaction.
B
number of atoms in each compound in a reaction.
C
relative numbers of moles of reactants and products.
D
masses, in grams, of all reactants and products.
8) What does the law of conservation of mass state?
A
There is nothing to state the conservation of the mass state.v
B
The mass of an object cannot be created nor destroyed.
C
The mass of an object can only be transformed.
D
The mass of an object can only be converted
9) Which is the correct formula for nitrogen (1) oxide?
A
N2O
B
NO2
C
NO
D
N2O3
10) If a bottle has 66 grams of Ibuprofen, what is the total mass of Carbon
A
49.69
B
47.96
C
46.99
D
49.96
*select an answer for all questions
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