CBSE Class 11-science Answered
A compoundmade up of two elements A and B has A=70%,B=30
Their relative number of moles in compound is 1.25 and 1.88, calculate:
[ i ] Atomic masses of the elements A and B
[ ii ] Molecular formula of the compond,if its molecular mass is found to be 160.
Asked by aniljhalic95136 | 09 Jul, 2019, 01:57: PM
Expert Answer
Given:
A = 70%
B = 30%
We know,
Relative no. of moles of an element
(i)
(ii) Molecular formula of compound:
Molecular weight of compound = 160
Empirical formula is A2B3.
Molecular formula = n(Empirical formula)
n = 
So, molecular formula is A2B3
Answered by Varsha | 09 Jul, 2019, 03:52: PM
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