Gallium is composed of two naturally occurring isotopes: ga−69 (60.108%) and ga−71. the ratio of the masses of the two isotopes is 1.0290. what is the mass of ga−69?

69.7231 u to 4 decimal places.

Explanation:

Gallium is composed of two natural occuring isotopes that is Ga-69(60.108%) with mass of 68.9256 amu and Ga-71(39.892%) with mas of 70.9247 amu. The ratio of their masses are 1.0290. The relative abundance of Ga-69 is 60.11% and Ga-71 is 39.89%.

Calculate average atomic mass of Ga-69 :  

Ga-69 = 60.108% = 0.60108.

GA-71 = 39.892% = 0.39892.

Atomic mass of Ga = (68.9256⋅0.60108)+(70.9247⋅0.39892)

AM(Ga)=69.7231 u to 4 decimal places.

no podemos ver la

explanation:

no te podemos ayudar: /

oxygen, selenium, tellurium, and polonium.

they're all from the same group as sulfur (group 16).