Unit 6 Review - Stoichiometry (EC)

Front

What are the units for molar mass?

Back

g/mol

Front

How many moles are in 16.94 g of water? (H2O)

Back

0.9403 mole

Front

Given the reaction CH4 + 2 O2 → CO2 + 2 H2O, how many moles of carbon dioxide are produced from the combustion of 110 g of CH4?

Back

6.85 mol

Front

What is the first step when converting from gram A to gram B?

Back

Convert from gram A to mole A.

Front

What number do you use to convert between particles and moles?

Back

6.02 x 10^23

Front

Define stoichiometry.

Back

The calculation of reactants and products in chemical reactions.

Front

What is the molar mass of water (H2O)?

Back

18.02 g/mol

Front

How do you convert grams to moles?

Back

Divide the mass in grams by the molar mass.

Front

What is the mole ratio in the reaction 2 H2 + O2 → 2 H2O?

Back

2 moles of H2 react with 1 mole of O2 to produce 2 moles of H2O.

Front

What is the significance of the coefficient in a balanced chemical equation?

Back

It indicates the number of moles of each substance involved in the reaction.