In the described fertilizer, nitrogen compounds make up what percentage?

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Study for the Grade 9 Environmental Chemistry Test. Use a blend of multiple-choice questions and detailed explanations. Master key concepts and prepare effectively!

Multiple Choice

In the described fertilizer, nitrogen compounds make up what percentage?

Explanation:
Understanding how to read the mass percentage of nitrogen in a fertilizer helps you see what fraction of the product’s weight is nitrogen. The described fertilizer tells you the portion of the total mass that comes from nitrogen compounds. To turn that fraction into a percentage, multiply by 100. If that portion is 0.15 of the total mass, it equals 15%. That’s why 15% is the correct answer. The other percentages would only be right if the description stated a larger or smaller nitrogen portion, which it does not.

Understanding how to read the mass percentage of nitrogen in a fertilizer helps you see what fraction of the product’s weight is nitrogen. The described fertilizer tells you the portion of the total mass that comes from nitrogen compounds. To turn that fraction into a percentage, multiply by 100. If that portion is 0.15 of the total mass, it equals 15%. That’s why 15% is the correct answer. The other percentages would only be right if the description stated a larger or smaller nitrogen portion, which it does not.

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