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| 1. |
Find mass of 3g atom magnesium |
| Answer» Ans. Molecular mass if Magensium = 24.3\xa0So No of Atoms in 24.3 g of Magnesium =\xa0{tex}6.022 \\times 10^{23}{/tex}No of Atoms in 1 g of Magnesium = {tex}6.022\\times 10^{23}\\over 24.3{/tex}No of Atoms in 3 g of Magnesium =\xa0{tex}{6.022\\times 10^{23}\\over 24.3}\\times 3{/tex}\xa0=\xa0{tex}0.743 \\times 10^{23}{/tex} | |