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Calculate the pH of a solution that is 0.210 M in nitrous acid (HNO2) and 0.290 M in potassium nitrite (KNO2) . The acid dissociation constant of nitrous acid is 4.50 × 10-4.
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Invisible Hand
A metaphor used by economist Adam Smith to describe the self-regulating behavior of the marketplace.
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An economic system where prices for goods and services are determined by open market and competition, without intervention from government.
Unseen Forces
Hidden or not immediately apparent factors that can influence outcomes and processes in various contexts.
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