0
Molar mass is a whole number multiple of the Empirical formula mass
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
What is the molar mass of H2O to the nearest whole number?
18g/mol
What percentage composition of Al2O3 is aluminum?
Molar Mass of Al: 2(27.0g/mol) = 54.0g/mol Molar Mass of O: 3(16.0g/mol) = 48.0g/mol Molar Mass of compound: 102.0g.mol (54.0g/mol / 102.0g/mol) x 100% = 52.9%
What is 4.00260 rounded to in atomic mass?
It is 4.0026 : the atomic mass can be a fraction.
What To two decimal places what is the relative atomic mass and the molar mass of the element potassium K?
It is 38.96
What is the two decimal places of relative atomic mass and the molar mass of the element potassium K?
It is 39.10
What is the molar mass of H2O to the nearest whole number?
18g/mol
What is the molar mass of CO2 rounded to the nearest whole number?
The answer is simple it's one/1
Is avogadro's number the same as molar mass?
no youre thinking of molar mass and atomic weight although you use avogadro's number to find molar mass
What does the molar mass of C7H16 and the molar mass of CaCO3 have the same number of?
342.3
Molar mass of Li?
The molar mass of Li = 6.941 g/mol
Determine the mass of 21 mol N?
number of moles = mass/molar mass mass = number of moles x molar mass 21mol x 14gmol-1 = 294g molar mass of Nitrogen is 14, which you can find on a periodic table
How is the number of moles determined from a known mass?
Number of moles = Total mass/Molar mass
How is the number of moles of an element determined from the known mass?
The molar mass is the measurement of mass per one mole of a substance. If the mass of a matter is known, divide it from the molar mass to obtain the number of moles.
How is the number of moles of an element determined from known mass?
The molar mass is the measurement of mass per one mole of a substance. If the mass of a matter is known, divide it from the molar mass to obtain the number of moles.
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.
How do you convert from number of particles to moles?
You must first calculate the molar mass of the substance. To do so, you add up the molar masses of all the elements that make up the compound, multiplied by the number of atoms of that element in one molecule of the substance. For example, AgNO3 has a molar mass of about 169.8 amu. In one molecule of AgNo3, there is one atom of Silver (molar mass 107.8), one atom of Nitrogen (molar mass 14), and three atoms of Oxygen (molar mass 16). Multiply the molar mass of Silver by the number of Silver atoms (1), multiply the molar mass of Nitrogen by the number of Nitrogen atoms (1), multiply the molar mass of Oxygen by the number of Oxygen atoms (3), add the numbers up and you have the molar mass of the substance (169.8). Step 2 is easy. To convert from grams to moles, you divide the number of grams by the molar mass (units for molar mass are grams per mole, so dividing by molar mass cancels the grams). To convert from moles to grams, you multiply by the molar mass.
How is a number of moles of an element determined from a known mass?
The number of moles is mass in g/molar mass in g.
