Chlorine has two naturally occuring isotopes, CI-35 (approximately 75%) and CI-37 (approximately 25%). Thus there will be two peaks on the mass psectrum for chlorine, one for CI-35, and one for Cl-37. What will the approximate ratio be for the heights of the two isotope peaks? 3:1 O 1:4 1:1 2:2 3:2 O O O O C

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