i) Calculate the mass (in grams) of 2.639 mol of cobalt(III) carbonate.
ii) Calculate the moles of ammonium ions in 9.631 g of ammonium sulfate.
iii) Calculate the mass (in grams) of 8.69 × 10²² molecules of caffeine, C₈H₁₀N₄O₂.

i) 269 g cobalt(III) carbonate, ii) 0.2597 mol ammonium ions, iii) 28.0 g Caffeine

i) 451 g cobalt(III) carbonate, ii) 0.2597 mol ammonium ions, iii) 29.6 g Caffeine

i) 313.9 g cobalt(III) carbonate, ii) 0.1457 mol ammonium ions, iii) 29.6 g Caffeine

i) 786.1 g cobalt(III) carbonate, ii) 0.1457 mol ammonium ions, iii) 28.0 g Caffeine