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A sample of iron has a volume of 10.0 mL. The density of iron is 7.87 g/mL. Which is the correct expression to calculate the mass of the sample using dimensional analysis? a. 10.0 mL x (7.87 g / 1 mL) b. 10.0 mL x (1 g / 7.87 mL) c. 10.0 mL x (1 mL / 7.87 g) d. 10.0 mL x (7.87 mL / 1 g)

Respuesta :

MathPhys

Answer:

a. 10.0 mL x (7.87 g / 1 mL)

Explanation:

Mass is density times volume.  Therefore:

m = 10.0 mL x (7.87 g / 1 mL)

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