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Q.

An element A (at wt = 75) and another element B (at wt = 25) combine to form a compound. The compound contains 75% A by weight. The formula of the compound will be

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a

AB

b

A2B

c

AB3

d

A3B

answer is D.

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Detailed Solution

detailed_solution_thumbnail

No. of moles of A=7575=1

No. Of moles of B=2525=1

∴ Molecular formula of the compound will be AB

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