Question

Calculate the mass of the compound calcium carbonate (CaCO3 ). Atomic weight of Calcium = 40, carbon = 12 and oxygen = 16.

plz answer correctly ​

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.

Answer 2

Explanation:

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100 is your answer