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14- Calculate the coupling constant for this signal. This spectrum was taken on a 300
MHz spectrometer. The shifts of peaks A, B, and C are 1.2803 pm, 1.2568 pm, and 1.2328 ppm respectively.
Your answer must be rounded to the correct number of significant figures.
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- ■ True or False: in a TOF analyzer, a fragment of low mass reaches the detector first ▪ In GCMS when we know what analytes we are measuring we use not know what analytes are in the sample we use than scan. ▪ A) Scan; SIM ■ B)SIM; scan • C) SIM; SIM mode. When we do mode. SIM allows greater sensitivityCu/Cu 11 Ag/ Ag Zn/Zn || Ag /Ag Zn/Zn2 || Cu /CuTitration purity NxVx mEq weight weight of sample (g) x 100 Volume (Weight of sample (g) Nx mEw Weight V = 100 Normality Weight of sample (g) Vx mEw Weight N = 100 mEq Weight mEq Weight % x Weight of sample (g) V xN /100 Weight of sample Nx Vx mEq weight (9)= x 100 %3D % Purity Volume 2 Normality 1 Normality 2 Volume 1
- PATH, COCA CO.CH, Lore. P, CONC CÓ,CH, ||100-3=300|| AVAaBbCcDd AaBbCcDd AaBbC AaBbCct AaB AaBbCcD 1 Normal 1 No Spac... Heading 1 Heading 2 Title Subtitle 1 Styles Name HHHHH ||||| H-C-C=C-C-C-H | H || HH Name H H-C-H C=C F -H —H H C 1 B. H H Name H H H H1C C H Η Η Η Η Η Η | | | | | | H-C₁-C₂-C₂-C-C-C-H II HH H H-C-H H -H y Find ✓ Replace Select Editing 14°C Cloudy A Dictate Voice F FooExplain the differences between the following calibration methods and why they are needed. a) External standard; b) Standard addition; c) Internal standard