2B + 3H2 2BH3
How many moles of BH3 are synthesized when 27.0 moles of H2 completely react?

Answers

Answer 1

Answer: 18.0 moles of [tex]BH_3[/tex] will be produced when 27.0 moles of [tex]H_2[/tex] completely react.

Explanation:

The balanced chemical equation is:

[tex]2B+3H_2\rightarrow 2BH_3[/tex]  

According to stoichiometry :

3 moles of [tex]H_2[/tex] produce = 2 moles of [tex]BH_3[/tex]

Thus 27.0 moles of [tex]H_2[/tex] will produce=[tex]\frac{2}{3}\times 27.0=18.0 moles[/tex]  of [tex]BH_3[/tex]

Thus 18.0 moles of [tex]BH_3[/tex] will be produced when 27.0 moles of [tex]H_2[/tex] completely react.


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