Question

her planet, the isotopes of titanium have the given natural abund Mass (u) Abundance Isotope 46TI 48TI 45.95263 72.500% 47.94

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Answer #1

Given:

m1 = 45.95263 amu

A1 = 72.5 %

m2 = 47.94795 amu

A2 = 16.4 %

m3 = 49.94479 amu

A3 = 11.1 %

use:

atomic mass = sum of (mass of isotope * abundance) / 100

= (m1*A1 + m2*A2 + m3*A3)/100

= (45.95263*72.5 + 47.94795*16.4 + 49.94479*11.1)/100

= 46.72299 amu

Answer: 46.72299 amu

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