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Numbers of molecules present in 18g and 18U of water respectively 

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Numbers of molecules present in 18g and 18U of water respectively 

(A) 6.023 x 1023 and 1

(B) 6.023 x 1023 and 18

(C) 18 and 6.023 x 1023

(D) 1 and 6.023 x 1023

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(A) 6.023 x 1023 and 1

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