Two samples of a compound containing elements A and B were decomposed. The first sample produced...
Two samples of a compound containing elements A and B were decomposed. The first sample produced 15 g of A and 35 g of B. If the second sample produced 25 g of A, what mass of B was produced?
(A) 11 g
(B) 21 g
(C) 45 g
(D) 58 g
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