Question

Solve the above question

Answer 1

Law of Multiple Proportion:
=> When Two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of simple whole number.

Now,
Just for sake of knowledge :
Two common oxides of phosphorus are P4O6 and P4O10.
Joy: If you don't know about these oxides, still you can do the answer.


Here,
Let the mass of both oxides be 100g each.
Two elements are Phosphorus and Oxygen.
We took Fixed weight of Phosphorus as 1g.

Now, see pic


For Calculation see pic.