Question
Asked Nov 5, 2019
Question 24 of 29>
<
A reaction of 56.9 g of Na and 55.5 g of Br, yields 64.7 g of NaBr. What is the percent yield?
2 Na(s) Br, (g)
2 NaBr(s)
%
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Question 24 of 29> < A reaction of 56.9 g of Na and 55.5 g of Br, yields 64.7 g of NaBr. What is the percent yield? 2 Na(s) Br, (g) 2 NaBr(s) % help contact us terms of use privacy policy about us careers

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check_circleExpert Solution
Step 1

Calculation for number of moles of Na:

mass
number of moles
molar mass
56.9 g
number of moles
22.9897 g/mol
number of moles
2.475 moles
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mass number of moles molar mass 56.9 g number of moles 22.9897 g/mol number of moles 2.475 moles

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Step 2

Calculation for number of moles of Br2:

mass
number of moles
molar mass
55.5 g
number of moles =
159.808g/mol
number of moles = 0.347 moles
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mass number of moles molar mass 55.5 g number of moles = 159.808g/mol number of moles = 0.347 moles

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Step 3

Identifying limiting reactant:

From the above chemical reaction, it is evident that 2 moles of Na react with 1 mole of Br2.

Number of moles of Na = 2.475 moles/2 = 1....

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