Molar Ratio Practice

Quiz
•
Science
•
10th Grade
•
Hard
+2
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bornite, Cu3FeS3, is a copper ore used in the production of copper. When heated, the following reaction occurs: 2 Cu3FeS3(s) + 7 O2(g) --> 6 Cu(s) + 2 FeO(s) + 6 SO2(g) If 450 moles of bornite are reacted, determine the number of moles of copper produced.
750 mol bornite
1350 mol bornite
1525 mol bornite
150 mol bornite
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many moles of hydrogen gas are needed to react completely with 2.0 moles of nitrogen gas? What is the mole ratio of hydrogen gas to nitrogen gas?
1:3
3:1
1:2
2:1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many moles of hydrogen gas are needed to react completely with 2.0 moles of nitrogen gas?
3 H2(g) + N2(g) --> 2NH3(g)
3 mol H2
6 mol H2
2 mol H2
4.5 mol H2
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the coefficients if this following equation was balanced? Al + O2 --> Al2O3
2, 3, 1
3, 2, 1
1, 2, 3
4, 3, 2
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
2 moles
3 moles
6 moles
9 moles
Tags
DOK Level 3: Strategic Thinking
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
2.5 moles
5 moles
10 moles
15 moles
Tags
DOK Level 2: Skill/Concept
7.
LABELLING QUESTION
1 min • 2 pts
If you are going to solve a molar ratio problem, how do you set it up?
Moles B
Moles A
Given Moles A
Calculated Moles B
Tags
NGSS.HS-PS1-7
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