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CGP EDU Academic Team
Published on: August 14, 2026
A + 3B + 3C 
AB 2 C 3
Reaction of 6.0 g of A, 6.0 × 10 23 atoms of B, and 0.036 mol of C yields 4.8 g of compound AB 2 C 3 . If the atomic mass of A and C are 60 and 80 amu, respectively, the atomic mass of B is (Avogadro no. = 6 × 10 23 ):
Text Solution
Verified by ExpertsThe correct answer is:
A
n A = 0.1, n B = 1, n C = 0.036
Limiting reagent = C
⇒ n AB2C3 formed = 
= 0.012
⇒ MM (ABC23) 
= 400
⇒ 60 + 2x + 80 × 3 = 400
x = 50
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