two elements 'P' and 'Q' combine to form a compound . Atomic mass of ' P' in the compound is 12 and 'Q' is 16 . Percentage of 'P' in the compound is 27.3 .What will be the empirical formula of the compound?
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Explanation:
Element mass% = mass(g)/ At.mass%
Integral ratio of both=
P 27.3 12.
Q 72.7 16
2.275 /4.5= 1/2
Empirical formula is PQ2
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