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Each molecule of a tear gas, lewsite, contains 2 hydrogen atoms, 1.78×10^{-22}gm chlorine, 2 carbon atoms and 1.25×10^{-22}gm of an unknown metal. Its molecular weight will be (1) 178 (2) 208 (3) 245 (4) 342 |
| Answer» Each molecule of a tear gas, lewsite, contains 2 hydrogen atoms, 1.78×10^{-22}gm chlorine, 2 carbon atoms and 1.25×10^{-22}gm of an unknown metal. Its molecular weight will be (1) 178 (2) 208 (3) 245 (4) 342 | |