Mass percentage is defined as:

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Study for the IMAT Chemistry Exam. Access flashcards and multiple choice questions; hints and explanations included for each question. Prepare effectively for your exam.

Multiple Choice

Mass percentage is defined as:

Explanation:
Mass percentage expresses what fraction of the total mass of a solution comes from the dissolved substance. It is defined as the mass of solute divided by the mass of the entire solution, multiplied by 100. The mass of the solution includes both solute and solvent, not just the solvent or the volume. For example, if 5 g of solute is part of a solution that weighs 100 g in total, the mass percentage is (5/100) × 100 = 5%. This matches the definition (mass of solute / mass of solution) × 100.

Mass percentage expresses what fraction of the total mass of a solution comes from the dissolved substance. It is defined as the mass of solute divided by the mass of the entire solution, multiplied by 100. The mass of the solution includes both solute and solvent, not just the solvent or the volume. For example, if 5 g of solute is part of a solution that weighs 100 g in total, the mass percentage is (5/100) × 100 = 5%. This matches the definition (mass of solute / mass of solution) × 100.

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