2024年6月22日 · In one molecule of CaCO3 (calcium carbonate), there is 1 atom of calcium (Ca), 1 atom of carbon (C), and 3 atoms of oxygen (O).

2024年6月19日 · CaCO3 is a compound. It is composed of calcium (Ca), carbon (C), and oxygen (O) atoms bonded together. It is not an element, as elements are substances that consist of only one type of atom.

2024年5月23日 · Hard water is a mixture of calcium, magnesium, and bicarbonate, sulphate, chloride, etc. Hardness of water is expressed in units of mg CaCO3 / L as if all calcium and magnesium were formed as CaCO3.

+4 oxygen has an oxidation of -2, so do 3 times -2=-6, i believe Ca is a +2 and you must get the numbers to equal 0. so the answer is a +4

What is the oxidation state of an individual carbon atom in rm CaCO 3? Updated: 5/28/2024. Wiki User. ∙ 13y ago. Study now. See answers (2) Best Answer. Copy. in CaCO3 carbon is in the 4 ...

2024年5月31日 · The compound CaCO3 is composed of three elements: calcium (Ca), carbon (C), and oxygen (O). The number of atoms in each element in CaCO3 is: 1 calcium atom, 1 carbon atom, and 3 oxygen atoms.

2024年6月16日 · 3 oxygen atoms. total 5 atoms. Wiki User. ∙ 13y ago. Copy. Add a Comment. There're are 5 atoms in CaCO3, 1 Ca, 1 C and 3 O. But 1 mole of CaCO3 contains 5x6.02x1023 atoms. (6.02x1023) is ...

2025年1月15日 · CaCO 3 + 2 HCl --> CaCl 2 + H 2 O + CO 2. It forms Calcium Chloride, carbon dioxide and water. The equation can also be written as. CaCO 3 + 2HCl --> CaCl 2 + H2CO3. It forms calcium chloride and ...

2024年5月28日 · The formula of calcium carbonate is CaCO3. Therefore, its molar mass is the sum of the atomic masses of calcium and carbon and three times the Atomic Mass of oxygen: 40.078 + 12.011 + 3(15.999 ...

Calcium (Ca): 1 atom Carbon (C): 1 atom Oxygen (O): 3 atoms