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Calculate the molarity of a solution prepared by dissolving 43.2 grams of pentane (C5H12, molar mass = 72.15 g/mol) in enough carbon tetrachloride (CCl4, molar mass = 153.8 g/mol) to take 400 mL of solution.
Compete
To strive for a goal, such as a prize or higher status, against others by overcoming challenges and obstacles.
Topsoil
The uppermost layer of soil, which has the highest concentration of organic matter and microorganisms, and is where most plant roots grow.
Productivity
The rate at which goods or services are produced, especially in relation to the input of labor, materials, and energy.
Contour Farming
An agricultural technique wherein farming practices are executed following the natural contours of the land, aimed at reducing soil erosion.
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