Question

iron has a density of 7.86 g cm3 could a block of metal with a mass of 18.2 and a volume of 2.56 cm^3 be iron?

Answer 1

The density of the block will be "7.11 gm/cm³". A further explanation is provided below.

Given values are:

Density of iron,

• $7.86 \ g/cm^3$

Mass of block of metal,

• $18.2 \ gm$

Volume of block,

• $2.56 \ cm^3$

By using the formula,

→ $Density = \frac{Mass}{Volume}$

then,

→ The density of block will be:

= $\frac{Mass}{Volume}$

= $\frac{18.2}{2.56}$

= $7.11 \ gm/cm^3$

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