Question

atomic weights of three elements in a doberenier traid are x . 18,127 find the missing atomic weight​

Answer 1

Answer:74.5

Explanation: $\frac{127+18}{2}$

=145/2

=74.5

Answer 2

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$127 + 18 \div 2$

$= 145 \div 2$

$= 74.5$