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What is the mass of 1.2x1024 molecules of NaCL?
The molecular mass of NaCl (as formula unit) is 58,44 g.
The term formula mass can be applied to ionic compound and molecular compuonds because?
The term formula mass is generally defined as the mass of a unit cell in an ionic compound. Molecular compounds are just defined in terms of molecular mass.
What is the term for atoms of two atoms of the same element with different molecular mass?
They are called isotopes. They differ in molecular mass due to the different number of neutrons.
Is sodium chloride a molecular or ionic crystal?
Sodium chloride is an ionic compound; the term "molecule" is not adequate because NaCl form large lattices.
Why is the term molecular mass applied to water but the term formula mass applied to aluminum chloride?
The term molecular mass is used for water because it exists as discrete molecules containing two hydrogen atoms and one oxygen atom. Aluminum chloride, on the other hand, does not exist as discrete molecules but as an ionic compound made up of aluminum and chlorine atoms held together by ionic bonds. Therefore, the term formula mass is used to describe the total mass of one formula unit of aluminum chloride.
What do Elements Atoms Molecules and Mass have in common?
For atoms, after IUPAC rule, the term used is atomic weight. The unit is "unified atomic mass unit", not included in SI.For molecules the term is molecular (molar) mass. The unit is kg/mol.
Why NaCl has not empirical and molecular formula?
This is because these are just the smallest units that are held together in a lattice structure by ionic bonding. The substance does not exist as individual molecules, only within these structures. Please see the link.
Inappropriate term for Monroe administration?
The inappropriate term associated with the Monroe administration is the 'Era of Good Feelings. ' The reason it is considered inappropriate is because it suggests the era lacked significant conflicts.
What mass of NaCl is required to dissolve 100 g NaCl to prepare a 1.50 m solution?
Remember the moles equations. moles = mass(g) / Mr = [conc] x vol(mL) / 1000 Hence mass(g) = [conc] x vol(mL) x Mr / 1000 (be algebraic rearragnement) conc = 0.05 M Mr = 23 + 35.5 = 58.5 vol(mL) = mass (g) = 150 g =150 mL (NB THis is the standard for water at STP) Substituting mas9g) = 0.05 x 58.5 x 150 / 1000 mass(g) = 0.43875 g ~ 0.44 g
What is the term for sodium chloride?
NaCl or table salt
What is the molecular mass of sodium fluoride?
Sodium has a relative atomic mass of 22,989 769 28(2) g/mole. Fluorine has a relative atomic mass of 18,998 403 2 (2) g/mole. Sodium fluoride (NaF) = 22,989 769 28 + 18,998 403 2 = 41,988 172 48 g/mole. NaF is an ionic compound which exists as crystal lattice therefore the term FORMULA MASS is more accurate as compare to MOLECULAR MASS
What is the Relative size of NaCl?
The term "size" has no sense in this context.
