Question

IN2
A sample containts 0.4 gram-atom K, 2.408 x 102 atoms of Cr and 22.4 gram of oxygen atoms. What could
be possible molecular masses. (Cr = 52 g/mol, K = 19 g/mole, 0 = 16 g/mole)
(A) 127
(B) 254
(C)381
(D) 762​

Answer 1

your answer is your answer is ...

127

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Answer 2

Answer:

(A.)127

Explanation:

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