JEE Main 11 April 2015 Paper

Section: Chemistry

Question : 31 of 90

Marks: +1, -0

A+2B+3C⇌AB2C3
Reaction of 6.0 g of A,6.0×1023 atoms of B, and 0.036 mol of C yields 4.8 g of compound AB2C3.If the atomic mass of A and C are 60 and 80 amu, respectively, the atomic mass of B is (Avogadro no =6×1023) :

[Main 11 Apr 2015]

70 amu
60 amu
50 amu
40 amu

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