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WorksheetsBasic Stoichiomtry
Total questions: 10
Worksheet time: 5mins
When calculating molar mass for an element, which number do you need to look at on the periodic table?
Atomic number
Atomic Mass
Atomic particles
Avogardo's Number
A mole of any substance is how many particles?
6.02 x 1023
6.02 x 10-23
602 million
602
The calculation of the relationships between different molecules in a reaction is the definition of __________________.
physics
algebra
stoichiometry
language arts
Before you begin any stoichiometry problem, you must always start with this.
A periodic table.
A calculator.
A balanced chemical equation.
All of the above are helpful.
If I have 6.02 x 1023 particles of O2, how many moles do I have?
1
6.02 x 1023
None
16
In the reaction: P4 + 6Cl2 ---> 4PCl3, how many atoms of Chlorine are in the reactant?
1
2
6
12
In the reaction: P4 + 6Cl2 ---> 4PCl3, how many molecules of Phosphorous Chloride are there in the product?
1
2
4
12
If I were to put 6.02 x 1023 particles of H2O on a balance, what would the reading be?
2 g
4 g
18 g
6.02 g
The process of comparing units is called ____________________.
stoichiometry
dimensional analysis
algebra
social studies
The hardest part of chemistry this year was:
States of matter
Labs
Balancing equations
Atomic Theory
Stoichiometry
