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What is the difference between atomic mass molecular mass formula mass and molar mass?
The formula mass of a substance is the sum of the average atomic masses of each atom represented in the chemical formula and is expressed in atomic mass units. The formula mass of a covalent compound is also called the molecular mass. The mass in grams of 1 mole of substance is its molar mass.
Is amu the same as molar mass?
Atomic mass is the mass of an atom and is given in a.m.u. (atomic mass unit). However, a molar mass is the mass of one mole atoms or molecules and is given in grams. Sodium atom has a mass of 23 a.m.u. however, the molar mass of sodium is 23g/mol.
What is the difference between amu and atomic mass?
Atomic weight is a weighted average of the mass of all the atoms of an element, based on the abundance of isotopes. Both atomic mass and atomic weight rely on the atomic mass unit (amu), which is 1/12th the mass of an atom of carbon-12 in its ground state.
What is the difference between molecular mass and molecular formula?
Molecular mass is for ionic compounds, and formula mass is for molecules. Formula mass of a substance is actually the sum of atomic masses of constituents atoms in an ionic compound or we can say that the sum of atomic masses of the ions present in the formula unit of an ionic compound.
What is the difference between molecular mass and molar mass calculate the molecular mass and molar mass for carbon monoxide?
Textbook solution The unit of molecular mass is kg or g or u. Molar mass is the mass of one mole of a substance/particle. The molar mass has units g/mol or kg/mol. The molecular mass of CO is 28u and molar mass is 28 g/mol.
Is molarity and molar mass the same?
Molarity is the number of moles of solute per liter of solution, and molar mass is the number of grams per mole of some substance.
What is the difference between 12c and 14c?
The difference between carbon-12 and carbon-14 is the number of neutrons in each of their atoms. Atoms of both isotopes of carbon contain 6 protons. Atoms of carbon-12 have 6 neutrons, while atoms of carbon-14 contain 8 neutrons.
What is difference between group and period?
A period is a horizontal row of the periodic table. There are seven periods in the periodic table, with each one beginning at the far left. A group is a vertical column of the periodic table, based on the organization of the outer shell electrons. There are a total of 18 groups.
What is difference between mass and mole?
It can also be expressed as kilogram per mole. Molecular mass is expressed in atomic mass units….Molar mass:
| Difference between Molar mass and Molecular mass | |
|---|---|
| Example: Mass of 1 mole of oxygen is 15.9994 grams. Therefore, the molar mass = 15.9994 g/mol | Example: Molecular mass of Ca(OH)2 = 74 atomic mass units |
What is the difference between mole molecule and molecular weight?
The mass of one mole of a substance is equal to that substance’s molecular weight. For example, the mean molecular weight of water is 18.015 atomic mass units (amu), so one mole of water weight 18.015 grams.