Question

calculate the molecular masses of the following :-1.CaCO3​

Answer 1

Answer:

Molecular weight is the mass of whole molecule.

Steps:- (1) Chemical formula of calcium carbonate ⟶CaCO

3

(2) Mass of Calcium⟶40

Mass of Carbon⟶12

Mass of Oxygen⟶16

(3) Multiply mass of each element by number of atoms of that element.

(4) Add all the masses obtained after multiplication.

⟶CaCO

3

=1×40+1×12+3×16

=40+12+48

=100.

Explanation:

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Answer 2

Answer:

Molecular weight is the mass of the whole molecule.

Steps:- (1) Chemical formula of calcium carbonate ⟶CaCO3

(2) Mass of Calcium⟶40

    Mass of Carbon⟶12

    Mass of Oxygen⟶16

(3) Multiply the mass of each element by the number of atoms of that element.

(4) Add all the masses obtained after multiplication.

⟶CaCO3

=1×40+1×12+3×16

=40+12+48

=100.

Explanation:

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