What is a mole ratio?
Mole Ratios & Mole to Mole Calculations

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•
Chemistry
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A mole ratio is a ratio that shows the relative amounts of moles of reactants and products in a chemical reaction, derived from the coefficients of the balanced equation.
2.
FLASHCARD QUESTION
Front
How do you calculate moles of a product from moles of a reactant?
Back
Use the mole ratio from the balanced equation to convert moles of the reactant to moles of the product.
3.
FLASHCARD QUESTION
Front
Given the equation: 2H2 + O2 → 2H2O, how many moles of H2O are produced from 4 moles of H2?
Back
4 moles of H2O are produced.
4.
FLASHCARD QUESTION
Front
What is the mole ratio of H2 to O2 in the reaction 2H2 + O2 → 2H2O?
Back
The mole ratio of H2 to O2 is 2:1.
5.
FLASHCARD QUESTION
Front
In the reaction: N2 + 3H2 → 2NH3, how many moles of H2 are needed for 1 mole of N2?
Back
3 moles of H2 are needed.
6.
FLASHCARD QUESTION
Front
What is the mole ratio of CO2 to H2O in the reaction: 2 C2H6 + 7 O2 → 4 CO2 + 6 H2O?
Back
The mole ratio of CO2 to H2O is 2:3.
7.
FLASHCARD QUESTION
Front
If 10 moles of O2 react in the equation 2 C2H6 + 7 O2 → 4 CO2 + 6 H2O, how many moles of CO2 are produced?
Back
5.7 moles of CO2 are produced.
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