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Determine the number of moles of cobalt acetate in 1.97 grams?thanks?

2007-03-12 20:47:53 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

my teacher got 0.011 as the answer and i dont know how.

2007-03-12 21:38:16 · update #1

1 answers

Co(CH3CO2)2 = 59+2*(2*12+2*16+3) =118g is the molecular weight of the acetate of cobalt

so 1.97g = 1.97/118=0.0167 mole

2007-03-12 21:20:24 · answer #1 · answered by maussy 7 · 0⤊ 0⤋

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