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4 cards from this section. Quick, good the night before a test.
What is stoichiometry?
It deals with amounts and ratios.
In the balanced equation 2H₂ + O₂ → 2H₂O, how many moles of H₂ are needed for 1 mole of O₂?
Look at the coefficients in the equation.
What is the first step in stoichiometric calculations?
Think about what step sets the foundation for everything that follows.
True or False? Molar mass can vary based on the type of substance.
Remember, each element has its own atomic mass.
You have 80 grams of sodium reacting with chlorine gas. What is the maximum mass of sodium chloride (NaCl) produced?
Consider the molar ratio between Na and NaCl.
In the decomposition of ammonium nitrate (NH₄NO₃ → N₂ + 2H₂O), how many grams of water can be produced from 100 grams of ammonium nitrate?
Balance the equation and remember the mole ratio!
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