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16 June, 19:52

B2O3 (s) + 3C (s) + 3Cl2 (g) - - - > 2 BCl3 (g) + 3CO (g)

What is the mass of carbon required in order to produce 6.00 mol BCl3?

A. 234 g

B. 216 g

C. 108 g

D. 0.375 g

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Answers (1)
  1. 16 June, 19:57
    0
    Take 6 * 3/2 = 9 mol C needed (the 3/2 is the ratio of C to BCl3)

    9 mol * 12 g/mol = 108 g C (12 is the molar mass of C)

    Answer C
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