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Atoms have different molar masses primarily due to variations in the number of protons and neutrons in their nuclei. Each element is defined by its atomic number, which corresponds to the number of protons, while the Atomic Mass reflects the total number of protons and neutrons. Heavier elements tend to have more protons and neutrons, resulting in a greater molar mass. Additionally, isotopes of an element can have different masses due to differing neutron counts.
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What is the molar mass of oxygen gas?
Oxygen gas is composed of diatomic O2 molecules. From the Periodic Table, the atomic weight indicates that the molar mass of oxygen atoms is 16.0g/mole. The diatomic molecule O2 has twice the molar mass as oxygen atoms, and its molar mass is 32g/mole.
How do you find the molar mass of an atom?
To find the molar mass of an atom, you need to add up the atomic masses of all the atoms in its chemical formula. This can be determined from the periodic table. The unit for molar mass is grams per mole.
What is a molar mass and what is it used for?
The molar mass is the sum of atomic weight of the atoms contained in a molecule. Example: water, H2O The molar mass is: 2 x 1,008 + 15,999 = 18,015 Molar mass is used in many calculus in chemistry.
What is the mass of 3.30 x 10 to the 23 power of atoms of silver?
To find the mass of 3.30 x 10^23 atoms of silver, you need to know the molar mass of silver. The molar mass of silver is 107.87 g/mol. So, you would calculate the mass by multiplying the number of atoms by the molar mass. This would result in a mass of approximately 5.62 grams.
How do you find no of atoms if molar mass and density is given?
This is actually a chemistry question, but I found it in the math section... well anyways you use an equation with avogadro's number. P(density)=(((#atoms)(molar mass))/((avogadro's number)(volume))). You're solving for #atoms so rearrange the equation. You have density, molar mass, and avogadro's number. As for volume, assuming you know what element this is (which you should know from the molar mass even if it's not given), you should be able to compute volume from the unit cell measurements. If you do not know unit cells... I'm not sure.
How do you find the molar mass of an elemnt?
Molar mass is a term applied for molecules, not for atoms.
Which would have a higher mass a mole of K atoms or a mole of Au atoms?
A mole of Au atoms would have a higher mass compared to a mole of K atoms because gold (Au) atoms have a larger atomic mass than potassium (K) atoms. The molar mass of a substance is determined by adding the atomic masses of the individual atoms in the mole.
What do you mean by molar mass of an element?
Molar mass is defined as the mass of 6.022x1023 atoms/molecules of a given substance.
What is the molar mass of oxygen gas?
Oxygen gas is composed of diatomic O2 molecules. From the Periodic Table, the atomic weight indicates that the molar mass of oxygen atoms is 16.0g/mole. The diatomic molecule O2 has twice the molar mass as oxygen atoms, and its molar mass is 32g/mole.
What is the molar mass of S2Cl2?
The molar mass of S2Cl2, which consists of two sulfur atoms and two chlorine atoms, can be calculated by summing the atomic masses of these elements. The molar mass of S2Cl2 is approximately 135.04 g/mol.
What are the dimensions of molar mass and how do they relate to the physical properties of a substance?
Molar mass is the mass of one mole of a substance and is expressed in grams per mole. It is a measure of the average mass of the atoms or molecules in a sample. The dimensions of molar mass are grams per mole. The molar mass of a substance affects its physical properties, such as boiling point, melting point, and density. Substances with higher molar masses tend to have higher boiling points, melting points, and densities compared to substances with lower molar masses.
What are the dimensions of molar mass and how do they relate to the properties of a substance?
Molar mass is the mass of one mole of a substance and is expressed in grams per mole. It is a measure of the average mass of the atoms or molecules in a sample. The dimensions of molar mass are grams per mole. The molar mass of a substance affects its physical and chemical properties, such as boiling point, melting point, and density. Substances with higher molar masses tend to have higher boiling points, melting points, and densities compared to substances with lower molar masses.
How many atoms of the element makes up molar mass?
The molar mass is the sum of the atomic weights of atoms contained in the molecule.
How do you find the molar mass of an atom?
To find the molar mass of an atom, you need to add up the atomic masses of all the atoms in its chemical formula. This can be determined from the periodic table. The unit for molar mass is grams per mole.
Does the molar mass of a compound change depending on the weight of the compound?
Molar mass depend on the ,mass,type and number of atoms in molecules of compound.
What is the molecular formula of CH2 with molar mass about 42 g?
The molar mass of a compound is the sum of the molar masses of its individual atoms. With a molar mass of approximately 42 g, a molecular formula of C2H4 (ethene) fits the criteria, where two carbon atoms (212 g/mol) and four hydrogen atoms (41 g/mol) yield a total molar mass close to 42 g/mol.
Which molecule, based on its molar mass, would have a higher rate of effusion?
The molecule with a lower molar mass would have a higher rate of effusion.
