Question

Calculate the amount, in moles, of (a) 647 g of Ba(OH2 (b) 16.3 g of sulfur trioxide, (c) 35.6 g of nickel(ID chloride heptahydrate, (d) 218 mg ethyl mercaptan, CH,CH2SH, and (e) 3.32 × 10 kg of iron(11) sulfide.
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64.7 16. 2 129.6 oo 352004 3 32-x 1O 81.9

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