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    General Chemistry Principles
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    Exam 21: Chemistry of the Main-Group Elements I: Groups 1,2,13,and 14
  5. Question
    What Mass of Borax [Na<sub>2</sub>B<sub>4</sub>O<sub>7</sub>(H<sub>2</sub>O)<sub>10</sub>] Could Be Prepared from 25
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What Mass of Borax [Na2B4O7(H2O)10] Could Be Prepared from 25

Question 97

Question 97

Multiple Choice

What mass of borax [Na2B4O7(H2O) 10] could be prepared from 25 kg of colemanite ore [Ca2B6O11(H2O) 5] by a process that is 95% efficient,assuming that no other boron-containing product is formed?


A) 47 kg
B) 42 kg
C) 33 kg
D) 31 kg
E) 20 kg

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