Stoichiometry

Stoichiometry

10th - 11th Grade

15 Qs

quiz-placeholder

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Stoichiometry

Stoichiometry

Assessment

Quiz

Chemistry

10th - 11th Grade

Medium

NGSS
HS-PS1-7

Standards-aligned

Created by

Whitney Pendleton

Used 22+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

B2H6 + 3O2 -->2 HBO2 + 2 H2O
 What mass of O2 will be needed to burn 36.1 g of B2H6?

13.8 g O2
3.86 mol of O2
124 g O2

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2H2   +   O2    −−〉 2H2O
8.3 moles H2 −−〉moles H2O

4.15
8.3
16.6
74.04

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

6
2
3
1

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Calculate the molar mass of Mg(OH)2.

33.2 g/mol
41.3 g/mol
86.9 g/mol
58.3 g/mol

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Molar mass is in units of ________.

grams
grams/mole
mole
moles/gram

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