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the elements in the substance are mixtures of their isotopes
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Why is the average atomic mass used when calculating grams of a substance?
the elements in the substance are mixtures of their isotopes
Is molar mass is mass in grams of one kilogram of any pure substance?
No, molar mass is the mass in grams of one mole of a substance. One mole is equal to the molecular weight of the substance in grams.
A 10 ml sample of a substance has a mass of 20 grams what would be the mass of a 200 ml sample of the same substace?
The mass of the substance is 20 grams in a 10 ml sample. Therefore, the substance has a density of 2 grams/ml. For a 200 ml sample of the same substance, the mass would be 400 grams (200 ml x 2 grams/ml).
What is the average mass of a single silicon atom in grams?
The average mass of a single silicon atom in grams is the ratio 28,085/6,022140857.10e23.
Convert grams to moles?
To convert grams to moles, you need to know the molar mass of the substance. Divide the given mass in grams by the molar mass to find the number of moles. This calculation is done using the formula: moles = grams / molar mass.
Why is the average atomic mass used when calculating grams of a substance?
the elements in the substance are mixtures of their isotopes
Is molar mass is mass in grams of one kilogram of any pure substance?
No, molar mass is the mass in grams of one mole of a substance. One mole is equal to the molecular weight of the substance in grams.
What is the molar mass of a substance in amu grams per mole?
The molar mass of a substance is the mass of one mole of that substance, measured in atomic mass units (amu) or grams per mole.
The mass of a mole of a substance expressed in grams is called a?
The mass of a mole of a substance expressed in grams is called the molar mass. This value is numerically equal to the atomic or molecular weight of the substance and is expressed in units of grams per mole.
What is the molar mass of the substance, expressed in grams per mole (g/mol)?
The molar mass of a substance is the mass of one mole of that substance, expressed in grams per mole (g/mol).
How do you atoms to grams?
You find the number of atoms from the number of grams of a given substance by:Find the Moles of the Substance by multiplying the grams of the substance by the molar mass of the substance. ( Molar mass equals mass of substance per 1 mole of substance.)Grams x Molar Mass of Substance = Moles of SubstanceTake the moles of the substance and multiply it by Avogadro's Number (the number of atoms in 1 mole of substance, or simply 6.022x1023).Moles of Substance x Avogadro's Number (6.022x1023) = atoms of Substance
Is the molar mass of a substance measured in daltons equivalent to its mass in grams per mole?
Yes, the molar mass of a substance measured in daltons is equivalent to its mass in grams per mole.
What mass of substance is required in grams?
To determine the mass of a substance required in grams, you need to know the substance's molar mass (in g/mol) and the amount needed in moles. You can then use the formula: mass (g) = number of moles × molar mass (g/mol) to calculate the required mass in grams.
What units do we use for mass when calculating specific heat capacity?
We typically use grams (g) or kilograms (kg) for mass when calculating specific heat capacity.
How can one determine the number of moles present in a substance based on its mass?
To determine the number of moles in a substance based on its mass, you can use the formula: moles mass (in grams) / molar mass (in grams per mole). This formula helps you calculate the amount of substance in moles by dividing the mass of the substance by its molar mass.
What is the molar mass of a substance in daltons converted to grams per mole (g/mol)?
The molar mass of a substance in daltons is equivalent to its mass in grams per mole (g/mol).
How many grams are in 1.25 moles?
To determine the grams in 1.25 moles of a substance, you need to know the molar mass of the substance. By multiplying the number of moles by the molar mass, you can calculate the grams. Without specifying the substance, the answer cannot be determined.
