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    				| 1. | Calculate the number of gram atoms in 4.6 grams of sodium (Na = 23). | 
| Answer» 23 g of sodium → 1 gram atom 1 g of sodium → \(\frac{1}{23}\) gram atom 4.6 g of sodium → = \(\frac{1}{23}\times\frac{4.6}{10}\,=\frac{2}{100}\) = 0.02gatoms | |