Mole Concept | Some Basic Concepts of Chemistry MCQs and Answers with FREE PDF

Download as PDF 1. Mass of one atom of the element A is 3.985410-23. How many atoms are contained in 1 gm of the element A? (a)    2.509 1023 (b)    6.022 1023 (c)    12.044 1023 (d)     None of these 2. Density of a 2.05 M solution of acetic acid in water is 1.02 g/mL. The molality of the …

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