The atomic weight of calcium is 40 u.
equivalent weight of calcium phosphate
Molar mass of calcium carbonate/calcium valence = 50,04345
40.078
The atomic weight of calcium is 40,078 +/- 0,004 (IUPAC, 2005).
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Calcium has an atomic weight of 40. Other info about Calcium: Symbol: Ca Name: Calcium Atomic Number: 20 Atomic Weight: 40.08 Number of Neutrons: 20 (atomic weight - atomic number) Number of Protons: 20
The chemical formula for calcium chloride is CaCl2, and its formula weight is 110.99. The formula shows that each formula weight of calcium chloride contains one mole of calcium ions. In 166.5 grams, there are 166.5/110.99 or 1.500 formula weights of calcium chloride and the same number of moles of calcium ions.
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The atomic weight of calcium is 40,078 +/- 0,004 (IUPAC, 2005).
The element Calcium (Ca) has 20 electrons according to its atomic number which is 20.
40 or 40.08 to be very precise.
It has an atomic weight of 40.08.