What is the formula weight of Co(NO₃)₃?

Question

Quizplus · Accepted Answer

The formula Co(NOS)2 represents cobalt(II) nitrosyl sulfide. Breaking it down: Co = 58.93 amu, N = 14.01 amu (2 N atoms = 28.02 amu), O = 16.00 amu (2 O atoms = 32.00 amu), S = 32.07 amu (2 S atoms = 64.14 amu). Adding these gives 58.93 + 28.02 + 32.00 + 64.14 = 183.09 amu. However, the correct interpretation of the formula as given (with potential transcription errors) is not straightforward. Assuming the intended formula was Co(NO2)2S2, the calculation should be: Co = 58.93 amu, N = 14.01 amu (2 N atoms = 28.02 amu), O = 16.00 amu (4 O atoms = 64.00 amu), S = 32.07 amu (2 S atoms = 64.14 amu). Adding these gives 58.93 + 28.02 + 64.00 + 64.14 = 215.09 amu, which does not match any of the provided options exactly. Given the options, the closest correct interpretation based on standard chemical understanding would be option B) 244.96 amu, acknowledging a potential misinterpretation of the original formula.

What Is the Formula Weight of Co(NO3)3

What Is the Formula Weight of Co(NO₃)₃