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4 cards from this section. Quick, good the night before a test.
What is Avogadro's constant?
It's the number of particles in one mole.
Define limiting reagent.
Think about which reactant runs out first.
What does Avogadro's constant represent?
Think about how we count atoms.
True or False: The limiting reagent is always the most abundant reactant.
Reflect on how reactions work.
In a hypothetical reaction, you have 8 moles of A and 4 moles of B. If A reacts with B in a 1:1 ratio, what is the limiting reagent?
Compare the amounts based on the given stoichiometry.
Calculate the molarity of a solution if you dissolve 10 grams of NaCl in 500 mL of water. (Molar mass of NaCl = 58.44 g/mol)
Convert grams to moles, then divide by volume in liters.
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