Chemistry, 01.11.2020 21:20 gracetay3721
Magnesium has three natural isotopes. 78.70% of the magnesium atoms exist as Mg-24, 10.03% exist as Mg-25, and 11.17% exist as Mg-26. What is the average atomic mass of magnesium?
Answers: 1
Chemistry, 22.06.2019 07:20
The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.
Answers: 1
Chemistry, 22.06.2019 12:00
In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?
Answers: 1
Magnesium has three natural isotopes. 78.70% of the magnesium atoms exist as Mg-24, 10.03% exist as...
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