We are asked to calculate for the **mass percent (mass %) ****of**** ****iron given that a 500-gram sample of iron ore contains 242 grams of iron.**

To do that we’re going to use the **mass percent formula **shown below:

$\overline{){\mathbf{mass}}{\mathbf{\%}}{\mathbf{}}{\mathbf{Fe}}{\mathbf{}}{\mathbf{=}}{\mathbf{}}\frac{\mathbf{mass}\mathbf{}\mathbf{of}\mathbf{}\mathbf{Fe}}{\mathbf{mass}\mathbf{}\mathbf{of}\mathbf{}\mathbf{iron}\mathbf{}\mathbf{ore}}{\mathbf{}}{\mathbf{x}}{\mathbf{}}{\mathbf{100}}{\mathbf{\%}}}$

A 500 gram iron ore sample was determined to contain 242 grams of iron. What is the mass percent of iron in the ore?

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Our tutors have indicated that to solve this problem you will need to apply the Mass Percent Formula concept. You can view video lessons to learn Mass Percent Formula. Or if you need more Mass Percent Formula practice, you can also practice Mass Percent Formula practice problems.