Question

the density of liquid is 1.2g/ml. there are 35 drops in 2ml . the number of molecules in one drop (molar mass of liquid =70 g/mol) is : A) [1.2/35]NA (B) 1.2/35[1/35]²NA (C) 1.2/(35)³NA. (D) 1.2NA​

Answer 1

Answer:

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