
Stoichiometry Alt
Authored by Anita Sturgies
Chemistry
9th - 12th Grade
NGSS covered
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which is the correct mole ratio of K3PO4 to KNO3 in the chemical reaction:
Mg(NO3)2 + K3PO4 → Mg3(PO4)2 + KNO3
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
How many grams of bromine are required to react completely with 37.4 grams aluminum chloride?
AlCl3 + Br2 → AlBr3 + Cl2
33.6 g
134.5 g
29.9 g
67.5 g
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
How many grams of water are produced when 2.50 mol oxygen reacts with hydrogen?
2 H2 + O2 → 2 H2O
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
How many grams of Fe3O4 are required to react completely with 300. grams of H2?
Fe3O4 + H2 → Fe +H2O
2096 g
1.54 g
8580 g
37.5 g
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Cl2 + 2KBr → Br2 + 2KCl
How many grams of potassium chloride (KCl) can be produced from 356 g of potassium bromide (KBr)?
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If a chemist calculates the maximum amount of product that could be obtained in a chemical reaction, he or she is calculating the
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many moles of water could form from 5.00 moles of hydrogen?
5.00 moles
10.00 moles
2.50 moles
No Reaction
Tags
NGSS.HS-PS1-7
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