Natural chlorine contains chlorine in the form of the isotope ${}^{35}Cl(75.5$%) and ${}^{37}Cl$(24.5%). Calculate the average atomic mass of natural chlorine.

Q. The ratio of isotopes of ${}_{17}^{37}Cl$ and ${}_{17}^{35}Cl$ in natural chlorine is 1:3. Calculate the fractional atomic mass of chlorine.

Q. Chlorine occurs in nature in two isotopic forms, with masses 35 u and 37 u in the percentage occurance of 75% and 25% respectively. What is the average atomic mass of chlorine atom?

Q. Chlorine has two naturally occuring isotopes ${}_{17}^{37}Cl$ and ${}_{17}^{35}Cl$ and average atomic mass of chlorine is $35.5$. The percentage of ${}_{17}^{37}Cl$ is:

Q. Calculate the atomic mass (average) of chlorine using the following data :

Q. Chlorine consists of 75% chlorine-35 and 25% chlorine-37. Calculate the average atomic mass.