If 6.12 g of element X reacts with 16.8 g of element Y to form the compound XY, what mass of X is required to react with 5.80 g of element Y?

cock topography

the study of the surface of a large voluptuous cock.

look at that sorostitute right she's a cock topographer!

what classes are you taking this

cock topography!

answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

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answer; talc and gypsum;