Stoichiometry

Stoichiometry

Assessment

Flashcard

Chemistry

12th Grade

Hard

Created by

Melissa Nanong

FREE Resource

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19 questions

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1.

FLASHCARD QUESTION

Front

Mole Ratios used for conversions are derived from:

Back

the coefficients of the balanced chemical equation

2.

FLASHCARD QUESTION

Front

N2 + 3H2 → 2NH3 What is the mole ratio between N2 and NH3 in the above reaction?

Back

2 moles NH3 / 1 moles N2

3.

FLASHCARD QUESTION

Front

Mole ratio between silver nitrate and copper(II) nitrate in the reaction: 2AgNO3 + Cu --> Cu(NO3)2 + 2Ag

Back

2 mol AgNO3 / 1 mol Cu(NO3)2

4.

FLASHCARD QUESTION

Front

4NH3 + 5O2 --> 4NO + 6H2O
What is the total number of moles of H2O produced when 12 mole of NH3 is completely consumed?

Back

18

5.

FLASHCARD QUESTION

Front

6CO2 + 6H2O --> C6H12O6 + 6O2 
What is the total number of moles of water needed to make 2.5 moles of C6H12O6?

Back

15

6.

FLASHCARD QUESTION

Front

Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from 6 moles H2?

Back

4 moles Fe

7.

FLASHCARD QUESTION

Front

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

Back

6

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