The valuable compound diborane, B 2 H 6 , can be made by the reaction: 2 NaBH 4 (s) + I 2 (s) → B 2 H 6 (g) + 2 NaI(s) + H 2 (g) If 1.203 g of NaBH 4 is reacted with excess iodine to form 0.295 g of B 2 H 6, what is the percentage yield of B 2 H 6 ?

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The valuable compound diborane, B₂H₆, can be made by the reaction:

2 NaBH₄(s) + I₂(s) → B₂H₆(g) + 2 NaI(s) + H₂(g)

If 1.203 g of NaBH₄is reacted with excess iodine to form 0.295 g of B₂H_6, what is the percentage yield of B₂H₆?

67.1 %

95.0 %

33.5 %

50.0 %

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