If a sample has a mass of 200 g and a volume of 100 cm^3, what is its density?

Prepare for the Pre-IB Grade 9 Science Exam with detailed flashcards and multiple-choice questions. Each question is paired with hints and thorough explanations. Ace your test with confidence!

Multiple Choice

If a sample has a mass of 200 g and a volume of 100 cm^3, what is its density?

Explanation:
Density is mass per unit volume, so you divide mass by volume. Here, 200 g of mass in 100 cm^3 of space gives 200 ÷ 100 = 2 g per cubic centimeter. So the sample’s density is 2.0 g/cm^3. This means the material is denser than water (about 1 g/cm^3). The other numbers would arise from different mass-to-volume relationships: for instance, the same mass in a larger volume would give a smaller density, while a much smaller volume would yield a much larger density.

Density is mass per unit volume, so you divide mass by volume. Here, 200 g of mass in 100 cm^3 of space gives 200 ÷ 100 = 2 g per cubic centimeter. So the sample’s density is 2.0 g/cm^3. This means the material is denser than water (about 1 g/cm^3). The other numbers would arise from different mass-to-volume relationships: for instance, the same mass in a larger volume would give a smaller density, while a much smaller volume would yield a much larger density.

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