Acompound contains equal masses of the elements A, B and C. If the atomic masses of A, B and C a....

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Acompound contains equal masses of the elements A, B and C. If the atomic masses of A, B and C are 20, 40
\( \mathrm{P} \)
and 60 , respectively, the empirical formula of the compound is :
(a) \( \mathrm{A}_{3} \mathrm{~B}_{2} \mathrm{C} \)
(b) \( \mathrm{AB}_{2} \mathrm{C}_{3} \)
(c) \( \mathrm{ABC} \)
(d) \( \mathrm{A}_{6} \mathrm{~B}_{3} \mathrm{C}_{2} \)
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