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What is the mass in grams of : (i) 6.022 xx 10^(23) atoms of oxygen (ii) 1.0 xx 10^(23) molecules of H_(2)S (iii) 6.022 xx 10^(23) molecules of oxygen ? |
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Answer» `6.022xx 10^(23)` MOLECULES of `H_(2)S` have mass = 34.0 g `1.0 xx 10^(23)` molecules of `H_(2)S` have mass `= (34.0xx10^(23))/(6.022xx10^(23))=5.645g` (iii) Mass of `6.022 xx 10^(23)` molecules of oxygen `(O_(2))=32g` |
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