InterviewSolution
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InterviewSolution
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Number of atoms in 12 g `._(12)^(24)Mg` is equal toA. oxygen atoms in 11 g `CO_(2)`B. hydrogen atoms in 4 g `CH_(4)`C. nitrogen atoms in 46 g `N_(2) O_(4)`D. sulphur atoms in 79 g `Na_(2)S_(2) O_(3)` |
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Answer» Correct Answer - A Number of atoms = number of molecues `xx` specific atoms in molecules In` {:(24),(12):}` Mg number of atom `= =12/24 xx 6.022 xx 10^(23)xx1` `=3.011xx 10^(23)` atoms Number of `O_(2)` atoms in 11 `CO_(2)` `= 11/44 xx 6.022 xx 10^(23)xx2` `=3.011 xx 10^(23)` atoms |
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