Stoichiometry Fall 2023
Flashcard
•
Chemistry
•
10th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the molar mass of C2H4O2?
Back
60 g/mol
2.
FLASHCARD QUESTION
Front
How many moles of CaCl2 will form from 250 moles Ca(ClO3)2?
Back
250 mole CaCl2
3.
FLASHCARD QUESTION
Front
Why do chemists use an excess of one reactant in a chemical reaction?
Back
The reaction will continue until all of the limiting reactant is consumed.
4.
FLASHCARD QUESTION
Front
How many grams are in 7.8 moles of NaCl?
Back
452 grams
5.
FLASHCARD QUESTION
Front
Using the equation Fe2O3 + 3 H2 → 2 Fe + 3 H2O, how many moles of Fe can be made from 6 moles H2?
Back
4 moles Fe
6.
FLASHCARD QUESTION
Front
Define stoichiometry.
Back
Stoichiometry is the calculation of reactants and products in chemical reactions.
7.
FLASHCARD QUESTION
Front
What is a limiting reactant?
Back
The limiting reactant is the substance that is totally consumed when the chemical reaction is complete.
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