Question

biet nguyen tu cabon co khoi luong la 19,9206 .10^-27 (kg) Hay tinh khoi luong bang g : Na , Al, Ag Zn

Answer 1

CHÚC BẠN HỌC TỐT!!

Khối lượng của 1 đvC là: \(\dfrac{1,9926.10^{-23}}{12}=1,6605.10^{-24}\)

Theo mình là:\(\left\{{}\begin{matrix}m_{Na}=1,6605.10^{-24}.23=3,81915.10^{-23}\left(g\right)\\m_{Al}=1,6605.10^{-24}.27=4,48335.10^{-23}\left(g\right)\\m_{Ag}=1,6605.10^{-24}.108=1,79334.10^{-22}\left(g\right)\\m_{Zn}=1,6605.10^{-24}.65=1,079325.10^{-22}\left(g\right)\end{matrix}\right.\)