1H NMR problems for class

Problem 1
C3H5BrO2
MW = 152
Problem 1 - 1H NMR spectrum (CDCl3, 500 MHz)
Problem 2
C8H14O4
MW = 174
Problem 2 - 1H NMR spectrum (CDCl3, 500 MHz)
Problem 3
C9H12
MW = 120
Problem 11
C6H12O2
MW = 116
Problem 12
C7H5NO4
MW = 167
Problem 13
C5H10O4
MW = 134
Problem 14
C8H6O2
MW = 134
Problem 15
C13H10O3
MW = 214
Problem 16
C7H6O2
MW = 122
Problem 17
C9H10O3
MW = 166
Problem 18
C7H10O4
MW = 158
Problem 20
C8H9NO2
MW = 151
Problem 21
C9H12O3
MW = 168
Problem 22
C9H12N2O
MW = 164
Problem 23
C9H10O3
MW = 166
Problem 24
C9H10O3
MW = 166