Two elements \( X \) and \( Y \) combine in gaseous state to \( \ma...

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Two elements \( X \) and \( Y \) combine in gaseous state to
\( \mathrm{P} \) form \( X Y \) in the ratio \( 1: 35.5 \) by mass. The mass of \( Y \)

W that will be required to react with \( 2 \mathrm{~g} \) of \( \mathrm{X} \) is:
(A) \( 7.1 \mathrm{~g} \)
(B) \( 3.55 \mathrm{~g} \)
(C) \( 71 \mathrm{~g} \)
(D) \( 35.5 \mathrm{~g} \)
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