Strontium, whose atomic symbol is Sr, is the metal that is present in the specified metal oxide.
The unit of measurement for substance is the mole. The term "mole" refers to the relationship between a substance's molar mass and its overall mass. It is defined as the molar mass (g/mol) of a material divided by the substance's mass in grams.
The following phrase can be used to determine the number of moles:
The supplied metal oxide MO has an oxygen content of 15.44%, which translates to 15.44 g of oxygen per 100 g of the metal oxide MO. According to the periodic table, strontium, which has a molar mass of roughly 87.7 g, is the metal present in 100 g of metal oxide (Sr). Therefore, strontium oxide is the metal oxide.
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