a compound made of 5.89g cobalt, 2.80 nitrogen & 9.60g oxygen. determine the emperical formula of this compund?
回答 (1)
2018-04-04 12:29 pm
✔ 最佳答案
No. of moles of Co = (5.89 g) / (58.9 g/mol) = 0.1 molNo. of moles of N = (2.8 g) / (14.0 g/mol) = 0.2 mol
No. of moles of O = (9.60 g) / (16.0 g/mol) = 0.6 mol
Mole ratio Co : N : O = 0.1 : 0.2 : 0.6 = 1 : 2 : 6
Empirical formula = CoN₂O₆
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