In any given sample of chlorine that has not been subjected to mass separation there will be roughly 75% of chlorine atoms which are chlorine-35 and only 25% of chlorine atoms which are chlorine-37.
Dalam setiap sampel klorin tertentu, yang belum mengalami pemisahan massa ada sekitar 75% atom klorin-35 dan hanya 25% atom klorin-37.