Huff Potter
09/02/2023 · Elementary School
ron has a density of \( 7.87 \mathrm{~g} / \mathrm{cm}^{3} \). Calculate the mass of an iron sample with a volume of \( 4.09 \times 10^{-5} \mathrm{~m}^{3} \).
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Step-by-step Solution
To calculate the mass of the iron sample, we can use the formula:
\[
\text{mass} = \text{density} \times \text{volume}
\]
First, we need to ensure that the units are consistent. The density of iron is given in grams per cubic centimeter (\( \mathrm{g/cm}^3 \)), and the volume is given in cubic meters (\( \mathrm{m}^3 \)). We can convert the volume from cubic meters to cubic centimeters:
\[
1 \, \mathrm{m}^3 = 10^6 \, \mathrm{cm}^3
\]
Thus, the volume in cubic centimeters is:
\[
4.09 \times 10^{-5} \, \mathrm{m}^3 = 4.09 \times 10^{-5} \times 10^6 \, \mathrm{cm}^3 = 4.09 \times 10^{1} \, \mathrm{cm}^3 = 40.9 \, \mathrm{cm}^3
\]
Now we can use the density of iron to find the mass:
\[
\text{mass} = 7.87 \, \mathrm{g/cm}^3 \times 40.9 \, \mathrm{cm}^3
\]
Calculating this gives:
\[
\text{mass} = 7.87 \times 40.9 = 321.823 \, \mathrm{g}
\]
Therefore, the mass of the iron sample is approximately:
\[
\text{mass} \approx 321.82 \, \mathrm{g}
\]
Quick Answer
The mass of the iron sample is approximately 321.82 grams.
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