LT5.3 Stoichiometry

LT5.3 Stoichiometry

10th Grade

25 Qs

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LT5.3 Stoichiometry

LT5.3 Stoichiometry

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Hard

Created by

NeQuelle DeFord

Used 3+ times

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25 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

N2 +  3 H2 → 2 NH3

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

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

2 H2   +   O2  →  2 H2O

How many moles of water can be produced if 8 moles H2 are used?

4 mol H2O

8 mol H2O

16 mol H2O

2 mol H2O

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the ratio of moles of nitrogen to ammonia in the following reaction?

N2 + 3 H2  → 2 NH3

1 : 2

1 : 1

1 : 3

2 : 3

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Fe2O3(s) + 3 H2(g) → 2 Fe(s) + 3 H2O(l)

How many moles of iron can be made from 3 moles of Fe2O3?

6 moles Fe

4 moles Fe

2 moles Fe

1 moles Fe

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Fe2O3(s) + 3 H2(g) → 2 Fe(s) + 3 H2O(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

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

2 KClO3 → 2 KCl + 3 O2

How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely?

6.73 mol O2

1.05 mol O2

10.05 mol O2

4.50 mol O2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the mole ratio in the following reaction?

2 CO  +  O2  → 2 CO2

2 : 1 : 2

1 : 1 : 1

1 : 2 : 1

Have no clue what a mole ratios is!!

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