Answer:
D
Explanation:
Chemical shift is given as
Frequency/frequency of instrument
Let c = chemical shift
F = frequency
I = frequency of instrument
Chemical shift = frequency/frequency Instrument
1.25ppm = Frequency /400
We cross multiply to find frequency
Frequency = 400 x 1.25
Frequency = 500Hz
Option d is the answer since it is 500hz
Answer: the area of the telescope lens is \textit{0,08507 ft}
Explanation: Happy I could help!
The answer is -ate:
If there are two similar, oxygen-containing ions, the ion with more oxygen atoms ends in -ate.