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The valuable compound diborane, B,Hs, can be made by the reaction 2 NaBH,(s) + I,(s) → B,H,(g) + 2 NaI(s) + H,(g) You use 1.203 g of NaBH, (molar mass = 37.8 g/mol) and excess iodine. If you isolate 0.295 g of B,H, (molar mass = 27.6 g/mol), the percentage yield of B,H, is Select one: a. 95.0% b. 33.5% c. 50.0% d. 67.1%

The valuable compound diborane, B,Hs, can be made by the reaction 2 NaBH,(s) + I,(s) → B,H,(g) + 2 NaI(s) + H,(g) You use 1.203 g of NaBH, (molar mass = 37.8 g/mol) and excess iodine. If you isolate 0.295 g of B,H, (molar mass = 27.6 g/mol), the percentage yield of B,H, is Select one: a. 95.0% b. 33.5% c. 50.0% d. 67.1%

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The valuable compound diborane, B,Hs, can be made by the reaction 2 NaBH,(s) + I,(s) → B,H,(g) + 2 NaI(s) + H,(g) You use 1.203 g of NaBH, (molar mass = 37.8 g/mol) and excess iodine. If you isolate 0.295 g of B,H, (molar mass = 27.6 g/mol), the percentage yield of B,H, is Select one: a. 95.0% b. 33.5% c. 50.0% d. 67.1%
Transcribed Image Text:The valuable compound diborane, B,Hs, can be made by the reaction 2 NaBH,(s) + I,(s) → B,H,(g) + 2 NaI(s) + H,(g) You use 1.203 g of NaBH, (molar mass = 37.8 g/mol) and excess iodine. If you isolate 0.295 g of B,H, (molar mass = 27.6 g/mol), the percentage yield of B,H, is Select one: a. 95.0% b. 33.5% c. 50.0% d. 67.1%
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