1.

Correct the following statements: (a) A molecular formula represents an element. (b) Molecular formula of water (H2O) represents 9 parts by mass of water. (c) A balanced equation obeys the law of conservation of mass and so does an unbalanced equation. (d) A molecule of an element is always monoatomic. (e) CO and Co both represent cobalt.

Answer»

Correct the following statements:

(a) A molecular formula represents an element.

(b) Molecular formula of water (H2O) represents 9 parts by mass of water.

(c) A balanced equation obeys the law of conservation of mass and so does an unbalanced equation.

(d) A molecule of an element is always monoatomic.

(e) CO and Co both represent cobalt.



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