what is the average atomic mass of titanium on the planet 75.000% ersity of Texa

Question

what is the average atomic mass of titanium on the planet 75.000% ersity of Texas Rio X Periodic Table o www.saplinglearning.com/ibiscms/mod/ibis/Niew.php?id 6442086 g Learning Sapling Leerning On another planet, the isotopes of itanium have the following natural abundances. Isotope Abundance Mass (amu) 4GT 175 000% |4595263 4m | 17400% | 4794795 50Ti | 760096 14994479 What is the average atomic mass of titanium on that planet? Number Incorrect You took the unweighted average of the isotope r abundances of each isolope affect the average a Find the weighted average using the formula, 47.94795 amuab Average Atomic Mass-!isotope percent o mass x 10 100 100 Previous Give Up & View Solution # Try A Inc

Explanation / Answer

Given:

m1 = 45.95263 amu

A1 = 75.0 %

m2 = 47.94795 amu

A2 = 17.4 %

m3 = 49.94479 amu

A3 = 7.6 %

use:

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

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

(45.95263*75.0 + 47.94795*17.4 + 49.94479*7.6)/100

= 46.60321984 amu

Answer: 46.6032 amu

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