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Mole to Mole

Authored by Jennifer Scott-Burns

Chemistry

9th - 12th Grade

NGSS covered

Used 5+ times

Mole to Mole
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where are the numbers for a mole ratio found?

They are part of the chemical formulas for the reactants / products.

They are given in the problem.

They are found on the periodic table for those elements.

They are found as coefficients in the reaction's balanced chemical equation.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2 C2H6 + 7 O2 → 4 CO2 + 6 H2O

A problem asks how many moles of oxygen gas are needed to react completely with 6 moles of ethane (C2H6). What is the first step in setting up the problem?

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Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

2 C2H6 + 7 O2 → 4 CO2 + 6 H2O

A problem asks how many moles of oxygen gas are needed to react completely with 6 moles of ethane (C2H6). What is the second step in setting up the problem?

Media Image
Media Image
Media Image
Media Image

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

2 C2H6 + 7 O2 → 4 CO2 + 6 H2O

A problem asks how many moles of oxygen gas are needed to react completely with 6 moles of ethane (C2H6). What is the final answer for this problem?

13 mol C2H6

3 mol O2

21 mol O2

42 mol O2

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For the following reaction, how many moles of pure copper is need to produce 8 moles of pure silver?

2AgNO3 + Cu --> Cu(NO3)2 + 2Ag

1 moles

2 moles

4 moles

8 moles

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Using the following equation:
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from  6 moles H2

4 moles Fe
6 moles Fe
9 moles Fe
2 moles Fe

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2 C2H6 + 7 O2 → 4 CO2 + 6 H2O

New problem: How many moles of ethane (C2H6) are required to produce 13.5 moles of water from the above reaction?

4.5 mol C2H6

27 mol C2H6

40.5 mol C2H6

81 mol C2H6

162 mol C2H6

Tags

NGSS.HS-PS1-7

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