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You can work this out by dividing the molecular mass of calcium, 40, by Avogadros

number, 6.02214129(27)×1023 mol−1

This will give you the answer as the molecular mass of an element is the

combined weight of the number of atoms that make up one mole, which is the same

as Avogadros number.

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13y ago

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Related Questions

What does one atom of calcium weigh?

One atom of calcium weighs approximately 40 atomic mass units.


What is the mass of calcium atom compared with the mass of helium atom?

The mass of a calcium atom is around 40 atomic mass units (u), while the mass of a helium atom is around 4 atomic mass units (u). Therefore, the mass of a calcium atom is 10 times greater than the mass of a helium atom.


What is the mass of a calcium atom compared with the mass of a helium atom?

5


What is the mass of this atom of Calcium - 40?

The mass of a Calcium-40 atom is approximately 40 atomic mass units (amu). This value represents the total mass of the protons, neutrons, and electrons in the atom.


What is the Molar mass for calcium oxide?

The molar mass of calcium oxide is 56.077 grams per mole


What is the Number of atoms of calcium?

one atom of sulphur and one atom of calcium


The mass number of an atom of calcium with twenty protons and twenty neutrons?

The mass number of an atom of calcium with twenty protons and twenty neutrons is 40. This is because the mass number is the sum of the protons and neutrons in the nucleus of an atom.


What is the number of atoms in calcium sulphate?

one atom of sulphur and one atom of calcium


How many times an atom of calcium is heavier than an atom of oxygen?

Average atomic mass of Ca = 40.1 Average atomic mass of O = 16.0 Mr(Ca)/Mr(O) = 40.1/16.0 = 2.51 Thus the calcium atom is about 2.5 times heavier than the oxygen atom.


How many calcium atoms are in a molecule of calcium carbonate (CaCO3)?

Calcium Carbonate (CaCo3) has one calcium (Ca) atom, one carbon (C) atom and three oxygen (O3) atoms.


What is the identity of the element that has an atomic mass of 40.078 amu?

The element with an atomic mass of 40.078 amu is calcium. Calcium has an atomic number of 20.


The mass number of an atom of calcium with 20 protons and 20 neutrons is?

The mass number of an atom is the sum of the protons and neutrons in its nucleus. Therefore, for an atom of calcium with 20 protons and 20 neutrons, the mass number would be 40.