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A student measures the mass of a sample of a metallic element, M. Then the student heats the sample in air, where it completely reacts to form the compound MO. The student measures the mass of the compound that was formed. Which of the following questions can be answered from the results of the experiment?
1. What is the molar mass of M?
2. What is the empirical formula of compound?

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Answer:

What is the molar mass of M?

Explanation:

Since the metallic element was measured before combustion and the mass of the metallic oxide formed was also measured, It is easy to determine the molar mass of the metal by simple calculation. This calculation is based on the values of the masses of the metallic element and the metallic oxide that has been measured.

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