1.

Consider the following data: {:("Element","Atomic weight"),(A,12.01),(B,35.5):} A and B combine to form a new substance X. if 4 moles of B combine with 1 mole of A to give 1 mole of X, then the weight of 1 mole of X is:

Answer»

154g
74g
47.5g
160g

Answer :A


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