Consider Two Different Binary Compounds Composed Of The Same Two Elements X And Y The First Compound Is Known To

Question

Consider two different binary compounds composed of the same two elements, X and Y. The first compound is known to

be 30.99 % X, by mass. Using the law of multiple proportions, determine which of the following mass percent compositions could be for the second compound.

37.45 % X and 62.55 % Y

43.38 % X and 56.62 % Y

28.66 % X and 71.34 % Y

54.93 % X and 45.07 % Y

41.37 % X and 58.63 % Y

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