Question

Atomic mass of cu and Br ?​

Answer 1

$\sf{Atomic \:Mass \:of \:Cu :- }$$\sf{\underline{\red{40.1}}}$

$\sf{Atomic\: Mass \:of \:Br :- }$$\sf{\underline{\red{137.6}}}$

Answer 2

Answer:

1.00797 is your correct ans

Explanation:

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