
Stoichiometry
Authored by Mr. Janadi
Chemistry
10th Grade
NGSS covered
Used 7+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2H2 + O2 → 2H2O
How many moles of oxygen are consumed if 8 moles H2 are used?
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the Balanced Reaction: 3 Mg + 1 Fe2O3 → 3 MgO + 2 Fe; What is the mole ratio of Mg to Fe?
3 mol Mg / 2 mol Fe
2 mol Mg/ 3 mol Fe
1 mol Fe/ 2 mol Fe
3 mol MgO / 2 mol Fe
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use the equation 2 Al + 3 Cl2 ---> 2 AlCl3. If 2 moles of aluminum and 2 moles of chlorine are reacted, identify the limiting reactant.
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
2 KClO3 → 2 KCl + 3 O2
How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely?
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
2Na + 2H2O → 2NaOH+ H2
How many grams of hydrogen are produced if 120 g of Na are available?
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Cl2 + 2 KBr → Br2 + 2 KCl
How many grams of potassium chloride can be produced from 356 g of chlorine and 356 g of potassium bromide?
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
CH4 + 2 O2 → CO2 + 2 H2O
How many moles of carbon dioxide are produced from the combustion of 110 g of CH4?
Tags
NGSS.HS-PS1-7
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