Problems & Step-by-Step Video Solutions

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Chemistry Problems and Solutions on Videos. This section covers problems specifically about: Laws of definite proportion and multiple proportions, in the area of: Atoms, Molecules, Ions.
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02 02 00

A certain element X and oxygen form four different binary compounds.  These compounds have the following compositions:


Mass of O that combines with 1.0000 g of X





0.22564 g

0.90255 g

1.3539 g

1.5795 g

(a) Show that the law of multiple proportions holds for these compounds.

(b) If the molecular formula for compound A is X2O, what are the molecular formulas for compounds B, C and D?
03:01 PC|Mac Android iOS