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Which of the following has least massA. 2 g atom of nitrogenB. `3xx10^(23)` atom of CC. 1 mole of SD. 7.0 g of Ag |
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Answer» Correct Answer - B (a) `2` gm atom of nitrogen `=28 gm` (b) `6xx10^(23)` atoms of C has mass `=12` gm `3xx10^(23)` atoms of C has mass `=(12xx3xx10^(23))/(6xx10^(23))=6 gm` (c) 1 mole of S has mass `=32` gm (d) 7.0 gm of Ag So, lowest mass `=6` gm of C. |
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