Chem Stoichiometry Percent Yield

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
+1
Standards-aligned
Charles Martinez
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
4NH3 + 5O2 --> 4NO + 6H2O
How many grams of NO are formed if 6.30g of ammonia react with 1.80g of oxygen?
0.37g
0.045g
1.35g
11.1g
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
P4 + 6Cl2 --> 4PCl3
The reaction of 75.0g P4 with excess chlorine gas produces 110g PCl3 in lab. Find the theoretical yield and calculate percent yield for the reaction.
78%
64%
27%
34%
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
SO2 + PCl5 --> SOCl2 + POCl3
How much SOCl2 is produced when 16.2g SO2 react with 13.7g PCl5?
7.82g
30.1g
26.4g
19.8g
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
SO2 + PCl5 --> SOCl2 + POCl3
How much of the excess is left over when 16.2g SO2 react with 13.7g PCl5?
12.0g
3.16g
70.3g
54.1g
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the limiting reactant is 12 moles of P4 react with 15 moles of O2?
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Balance the following equation. What is the coefficient for HBr?
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If 7.62g Fe react with 8.67g S, what is the limiting reactant?
Tags
NGSS.HS-PS1-7
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