Workbook Chapter 9 ? The Mole Concept. W9.1. (a) 1 mole of Li atoms = 7 g. (b)
1 mole of Na ... 32 × 8 = 256 g. 0.5 moles of S8 molecules = 256 × 0.5. = 128 g. (e
). 1 mole of HNO3 molecules = 1 + 14 + (16 × 3) = 63 g. 0.5 moles of HNO3
molecules = 63 × 0.5. = 31.5 g. (f). 1 mole of SO4. 2- ions = 32 + (16 × 4) ..... Page
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