Fill in the blanks a. In a chemical reaction, the sum of the masses of the reactants andproduct remains unchanged. This is called ........................b. A group of atoms carrying a fixed charge on them is called .....................c. The formula unit mass of Ca. (PO4)2 is .....................d. Formula of sodium carbonate is ....................and that of ammonium sulphateis ........................

Fill in the blanks a. In a chemical reaction, the sum of the masses

1.	Fill in the blanks a. In a chemical reaction, the sum of the masses of the reactants andproduct remains unchanged. This is called ........................b. A group of atoms carrying a fixed charge on them is called .....................c. The formula unit mass of Ca. (PO4)2 is .....................d. Formula of sodium carbonate is ....................and that of ammonium sulphateis ........................
Answer» a.Law of CONSERVATION of MASSB. POLY ATOMIC ION c.310d.Na₂CO₃, (NH₄)₂SO₄Explanation:

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