Question 11 — A block of iron - Questions at the end of the chapter - Chapter 9 Class 8 - The Amazing World of Solutes, Solvents & Solutions

Last updated at July 13, 2026 by

Q 11
Question

A block of iron has a mass of 600 g and a density of 7.9 g/cm³. What is its volume?

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Answer
The volume is about 75.9 cm³.

Explanation

Volume
=
\( \dfrac{\text{Mass}}{\text{Density}} = \dfrac{600\ \text{g}}{7.9\ \text{g/cm}^3} \approx 75.9\ \text{cm}^3 \)
  • Rearrange density = mass ÷ volume to volume = mass ÷ density.
  • Divide 600 g by 7.9 g/cm³.
  • This gives about 75.9 cm³.
Volume = mass ÷ density = 600 ÷ 7.9 ≈ 75.9 cm³.
← Back to concept: 9.5.1 Determination of density
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