# What is the mass of Carbon present in 0.5 mole of Pottasium Ferrocynide ( K4[Fe(CN)6] )

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Mass of 1 mol of K4[Fe(CN)6] = 368 g/mol

So, Mass of 0.5 mol of K4[Fe(CN)6] = 368 x 0.5 g/mol = 184 g/mol

Mass of C in K4[Fe(CN)6]= 6x 12=72 g/mol

Let mass of Carbon in this compound is A

Then, A/184 = 72/368 = 36 g/mol

hence, mass of carbon in 0.5 mol is 36 g/mol