6. 12.4g of Li combines completely with 43.6g of Br to form a compound. The percent of bromine in the compound is? a) 77.9% c) 22.1% d) 28.4% e) none of these b) 35.2%

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Chapter3: Chemical Reactions
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Problem 121QRT: Ammonia can be formed by a direct reaction of nitrogen and hydrogen. N2(g) + 3 H2(g) 2 NH3(g) A...
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6. 12.4g of Li combines completely with 43.6g of Br to form a compound. The percent of bromine
in the compound is?
a) 77.9%
c) 22.1%
d) 28.4%
e) none of these
b) 35.2%
Transcribed Image Text:6. 12.4g of Li combines completely with 43.6g of Br to form a compound. The percent of bromine in the compound is? a) 77.9% c) 22.1% d) 28.4% e) none of these b) 35.2%
a
5. Which statement is most correct with respect to the limiting reactant?
It is the reactant that is fully consumed during a chemical reaction.
b It is the reactant that produces least amount (in moles) of product.
It is the reactant that produces the least mass of product.
C
d
Two of the above are correct.
e All three of the above are correct.
Transcribed Image Text:a 5. Which statement is most correct with respect to the limiting reactant? It is the reactant that is fully consumed during a chemical reaction. b It is the reactant that produces least amount (in moles) of product. It is the reactant that produces the least mass of product. C d Two of the above are correct. e All three of the above are correct.
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