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The Atomic Mass of Mg is 24. The Atomic Mass of fluorine is 19. Therefore the relative mass of the substance is 62.
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Which has a higher melting point LiF or MgF2?
MgF2 is higher that LiF do to the greater bond strength in MgF2. This greater strength is indicated by the charge of Mg (+3) which is higher than the +2 charge of Li. Also the MgF2 is larger in mass.
What is the formula for magnesium and fluorine?
Magnesium (II) fluoride, MgF2 Formula weight: 62.302 grams/moleSee the Related Questions for how to calculated the molecular weight of any molecule!
Is mgF2 a ionic or molecular substance?
MgF2 is an ionic substance. It consists of magnesium cations (Mg2+) and fluoride anions (F-) held together by ionic bonds, resulting in a crystal lattice structure.
How many atoms are present in 31 grams of magnesium fluoride?
MgF2 has a molecular weight of 24+19*2 = 62g. Thus, 31 grams of MgF2 represent .5mol. There are 6.022*10^23 particles per mole. Since MgF2 has three atoms in it, we can find the number of atoms by the following: (.5 mol)(6.022*10^23 particles/mol)(3 atoms in MgF2) = ... Enjoy your free high school chemistry answer!
What is the mass of hexane?
I assume you mean the molecular mass. Its molecular mass is 86.175
What is the molecular for sucrose?
I assume you mean the molecular mass. Its molecular mass is 342.3g/mol
How many GRAMS of magnesium fluoride are present in 4.78 moles of this compound?
The formula unit for magnesium fluoride is MgF2. From the periodic table, add the atomic weight of 1 magnesium atom and 2 fluorine atoms to get to get 62.3018. This means that 1 mole of MgF2 is 62.3018g of MgF2. Now, to find out the mass of 4.78 mol MgF2 X the g/mol so that you will cancel the moles, and keep the grams. 4.78 mol MgF2 X 62.3018g MgF2/1mol MgF2 = 297g MgF2 *The answer 297 is in keeping with significant figures. When you multiply or divide, the answer can have no more than the fewest significant figures in the calculation, which was 4.78, and which has only three significant figures.
What is the strongest molecular force in MgF2?
The strongest molecular force in MgF2 is the ionic bond between magnesium and fluorine ions. This occurs because magnesium loses two electrons to become a positively charged ion, while each fluorine gains one electron to become negatively charged, resulting in a strong attraction between the opposite charges.
What is the molecular mass of cytosine?
The molecular mass of cytosine is approximately 111.1 grams per mole.
What is the molecular mass in pentane?
Molecular mass of pentane is 72 u.
what is the molecular mass of water vapour?
The molecular mass of water vapour is 18.01528
What is the gram molecular mass of hydrogen?
The gram molecular mass of hydrogen is 1 gram per mole.
