bromine atom is available in two isotopes Br atomic mass 79 (49.7%) and Br atomic mass 81 (50.3%). Calculate average atomic mass of bromine atom.
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The average atomic mass of bromine
= (79 x 49.7)+ (81 x 50.3)/100
= (3926.3 + 4074.3)/100
= 8000.6/100
= 80 u
= (79 x 49.7)+ (81 x 50.3)/100
= (3926.3 + 4074.3)/100
= 8000.6/100
= 80 u
rashmi55:
thaks but can you write the formula also that can help me to solve
first...you have to multiply the mass of each isotope by the % of isotope..then...add the products
please write the formula
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answer= two isotopes Br atomic mass 79 (49.7%) and Br atomic mass 81 (50.3%). Calculate average atomic mass of bromine atom.800/10
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