Which of the Following Abides by the Principle of Mass

question 45

Multiple Choice

Which of the following abides by the principle of mass conservation according to the balanced reaction 4 K + O₂ → 2 K₂O?

• A)39.0g K + 16.0g O₂ → 94.0g K₂O
• B)156.0 g K + 24.0g O₂ → 188.0g K₂O
• C)156.0g K + 32.0g O₂ → 188.0g K₂O
• D)78.0g K + 32.0g O₂ → 110.0g K₂O

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Definitions:

Demand Curves

Visual diagrams that illustrate the connection between a product's price and the amount consumers are willing to buy.

MC = MR

An economic principle that firms reach the optimal level of production when marginal cost equals marginal revenue.

Downward-Sloping

Describes a curve or line on a graph that shows a decrease in a variable (e.g., price) leading to an increase in another variable (e.g., quantity demanded), typically observed in demand curves.

Demand Curve

A graph showing the relationship between the price of a good and the quantity demanded, typically downward sloping, indicating an inverse relationship between price and quantity demanded.