Basic Stoichiometry

Front

Mole ratios are obtained from the

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balanced chemical equation

Front

Mole ratio of H₂O to H₃PO₄ in P₄O₁₀ + 6 H₂O --> 4 H₃PO₄

Back

6:4

Front

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

Back

1,2,1,1

Front

In the equation 2 Al₂O₃ --> 4 Al + 3 O₂, what is the mole ratio of aluminum to oxygen?

Back

4/3

Front

Mole ratio of oxygen to water in the reaction 2 H₂ + O₂ → 2 H₂O

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1/2

Front

What is the molar mass of table salt (NaCl)?

Back

58.44 g/mol

Front

What is the molar mass of NaOH?

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40.00 g/mol

Front

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

Back

6

Front

How many particles are in a mole?

Back

6.02 x 10²³

Front

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

Back

4 moles Fe