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Stoichiometry Quiz 1

Authored by Ginger Roy

Chemistry

11th Grade

NGSS covered

Used 13+ times

Stoichiometry Quiz 1
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12 questions

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1.

DRAG AND DROP QUESTION

1 min • 3 pts

What is the molar mass of C₆H₁₂O₆? (a)  

180.18 g/mol
180.12 g/mol
180.24 g/mol
180.06 g/mol

2.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

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

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

N2 +  3H2 → 2NH3 
How many moles of hydrogen are needed to react with 2 moles of nitrogen?

6 mol H₂

2 mol H₂

3 mol H₂

1 mol H₂

4.

MULTIPLE CHOICE QUESTION

3 mins • 2 pts

2 NaClO3 (s) --> 2NaCl (s) +3 O2 (g)  
12.00 moles of NaClO3 will produce how many grams of O2?

256 g of O2
576 g of O2
288 g O2

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

4 Al + 3 O2 –> 2 Al2O How many moles of aluminum would be needed to completely react with 45 grams of O2?

1.05 moles

3.75 moles

1.875 grams

1.875 moles

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Mg(s) + 2 HCl(aq)  -->  MgCl₂(aq)   + H₂(g)
How many moles of HCl are consumed in the production of 7.5 moles of MgCl₂?

3.8 moles
15 moles
7.5 moles
23 moles

7.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Balance the following reaction :
 
CaC₂(s)   +   H₂O(l)   -->   C₂H₂(g)   +   Ca(OH)₂(aq)

1,2,2,2
1,2,1,1
2,1,1,1
2,1,2,1

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