Question 1
What do square brackets ([ ]) represent in the expression Kc = [H₂O]³[CO₂]³ / [C₃H₈][O₂]⁵?
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Chemistry · Unit 2 · Aqueous solutions and acidity · Aqueous solutions and molarity
State that square brackets ([ ]) are used to denote concentration.
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Question 2
In an aqueous chemistry experiment, a student prepares a sodium hydroxide solution and needs to express its concentration in a standard chemical equation. Which notation correctly represents the concentration of sodium hydroxide in the solution?
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