Answers: Exercise 3_4 Atom Economy/ Percentage Yield

1.  B
2.  C
3.  C
4.  C
5.  D
6.  A
7.  D
8.  D
9.  C
10.  D

 

11.  Method 2 [18% vs 7%]
12.  100%
 13.
Picture20
14.
 a)  75cm3
 b)  2.26g
 c)  77%
Percentage Yield = Actual Yield/ Max. Theoretical Yield X 100

= 1.97/2.55 X 100 = 77%

 d)  16%
 15.
 a)
 b)  0.56g
c)  55.2cm3/ 0.0552l
 ii)  Yield = actual/theoretical

=50.8/55.2 =92.03%

 iii)  Underwater/ gas syringe
 d)  72.6%
Report a Glow concern
Cookie policy  Privacy policy