Question

Compounds containing potassium and oxygen

are compared. Analysis shows that for each
1.00 g of O, the compounds have 1.22 g, 2.44 g,
and 4.89 g of K, respectively. Show how these
data support the law of multiple proportions.

Answer 1

Answer: The law of proportion states that elements combine in whole number ratios. The gram readings for K are multiples of each other, both in grams and moles.

Let us compare the ratios:

2.44 grams/1.22 grams = 2

4.89 grams/2.44 grams = 2

Therefore, Potassium always combines with Oxygen in a ratio of 2 is to 1.