A) 17.4
B) 16.2
C) 16.5
D) 17
Correct Answer: B
Solution :
Oxygen have 90% \[{{O}^{16}}\] and 10% \[{{O}^{18}}\] Atomic mass = \[\left[ \frac{90}{100}\times 16+\frac{10}{100}\times 18 \right]\] = \[\frac{1440+180}{100}=\frac{1620}{100}=16.2\].You need to login to perform this action.
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