1)5g of calcium combines with oxygen to form a compound.Find the molecular formula of the compound

Asked by rohan | 20th Nov, 2013, 10:02: AM

Expert Answer:

Calcium combines with oxygen to form calcium oxide.

 

    2Ca    +      O2       →        2CaO

Calcium   Oxygen      Calcium oxide

Molecular formula:

Using the valency of the ions we can write the molecular formulae of compounds.

 

Therefore, the molecular formula of Calcium oxide is CaO.

Answered by Hanisha Vyas | 20th Nov, 2013, 11:30: AM

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